{"title":"Audio Modules","description":"\u003ch2 data-path-to-node=\"6\"\u003eEnhance Your Projects with Premium Arduino Audio Modules\u003c\/h2\u003e\n\u003cp data-path-to-node=\"7\"\u003eAudio integration is essential for interactive DIY electronics. Whether you are building a smart home system, a custom radio, or an interactive robot, choosing the right \u003cb data-index-in-node=\"170\" data-path-to-node=\"7\"\u003eArduino Audio Module\u003c\/b\u003e ensures clear sound processing and output. Our comprehensive collection covers everything from simple sound detection to high-fidelity audio playback, providing reliable hardware for your specific technical requirements.\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"8\"\u003eKey Categories of Audio Modules\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"9,0,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"9,0,0\"\u003eAudio Amplifiers:\u003c\/b\u003e High-efficiency Class D amplifiers (such as the PAM8403 and PAM8406) perfect for driving external speakers with minimal power loss and rich sound output.\u003c\/li\u003e\n\u003cli data-path-to-node=\"9,1,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"9,1,0\"\u003eMicrophones \u0026amp; Sensors:\u003c\/b\u003e Precise sound input solutions, including omnidirectional MEMS microphones (INMP441) and adjustable gain modules (MAX4466) for accurate voice and noise detection.\u003c\/li\u003e\n\u003cli data-path-to-node=\"9,2,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"9,2,0\"\u003eMP3 \u0026amp; Audio Decoders:\u003c\/b\u003e Standalone playback modules like the DFPlayer Mini and I2S DAC boards. They support multiple audio formats and SD card integration for seamless music processing.\u003c\/li\u003e\n\u003cli data-path-to-node=\"9,3,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"9,3,0\"\u003eVoice Recognition:\u003c\/b\u003e Advanced voice AI kits and control modules that enable hands-free commands and complex offline speech computing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"10\"\u003eHow to Choose the Right Audio Component?\u003c\/h3\u003e\n\u003cp data-path-to-node=\"11\"\u003eWhen selecting an \u003cb data-index-in-node=\"18\" data-path-to-node=\"11\"\u003eArduino Audio Module\u003c\/b\u003e, you must consider the specific needs of your circuit. For simple system alerts, an active or passive buzzer is highly effective and easy to code. If your project requires high-quality music playback, pair a dedicated MP3 decoder with a 4 Ohm full-range speaker driver. Always verify the operating voltage (typically 3.3V or 5V) and communication interfaces (such as I2S, analog, or digital output) to guarantee seamless compatibility with your mainboard.\u003c\/p\u003e","products":[{"product_id":"mp3-board-module","title":"TF Card U Disk MP3 Format Decoder Board Module","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eMp3 nondestructive decoder board Built-in amplifier mp3 module mp3 decoder TF card U disk decoding player\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSuperior sound quality.Onboard 2W mono amplifier(5V power of up to 3W) is directly connected to the speaker (recommendation 4 Ω 3W speakers),3.5mm gold plated headphone jack can connect with headphones or external audio\u003c\/li\u003e\n\u003cli\u003eWith a Micro USB port.Through the mobile phone data line can use mobile power supply or the USB cable to charge the MP3 battery,also can use 3.7V lithium battery,or USB 5V power supply\u003c\/li\u003e\n\u003cli\u003eSupport TF Card (mobile phone memory card) and U disk play mode\u003c\/li\u003e\n\u003cli\u003eNo soldering with speaker terminals for easy wiring\u003c\/li\u003e\n\u003cli\u003eThe module is designed to facilitate modification\u003c\/li\u003e\n\u003cli\u003ePower range: 3.7~5.5V\u003c\/li\u003e\n\u003cli\u003eProduct size: 47mm*34mm\/18.50*13.38\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Overview:\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSupport MP3 format, playing power on automatically.When mp3 is played the red LED flashes\u003c\/li\u003e\n\u003cli\u003eSupport U disk (test 32G), TF Card (test 16G) play mode; power on default TF card mode, if the TF card does not exist automatically jump to the U disk mode,and both devices have installed,then you can manually set the play mode.For details please see the key operating instructions\u003c\/li\u003e\n\u003cli\u003eButtons can be adjusted up and down to control songs,volume up and down, pause or play, mode switching.For details please see the key operating instructions\u003c\/li\u003e\n\u003cli\u003ePress menu button enter the single\/all song play mode.The default mode is the all song mode when power up.Pressing the Repeat button can replace the circulating mode\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eKey Operating Instructions:\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\"Prev \/ V--\" button: \"Press\" for switching previous song, \"long press\" for volume down\u003c\/li\u003e\n\u003cli\u003e\"Next\/v++\" button: \"Press\" for switching next song, \"long press\" for volume up\u003c\/li\u003e\n\u003cli\u003e\"P \/ P \/ Mode\" button: \"Press\" for the \"Play\/Pause\" Switch, \"long press\" for U disk, TF card mode\u003c\/li\u003e\n\u003cli\u003e\"Repeat\" button: \"Press\" for “single\/all song\" mode(no long press)\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\"Long press\" approximate 2S\u003c\/li\u003e\n\u003cli\u003eIf you use U disk mode, it is recommended 5V power supply, and some U disk does not support 3.7V power supply\u003c\/li\u003e\n\u003cli\u003eExquisite double board design, large area of copper, stable and reliable\u003c\/li\u003e\n\u003cli\u003ePackage Include:1pcs Mp3 nondestructive decoder board\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":38391541629079,"sku":"","price":20.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/HTB1wgjihr3nBKNjSZFMq6yUSFXai.jpg?v=1753004384"},{"product_id":"xh-m145-module","title":"XH-M145 Class D Digital Stereo Amplifier Board | 12V Audio Amp","description":"\u003ch2 class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eHigh-Fidelity Audio for Your DIY Projects\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eDon't settle for flat, lifeless sound in your custom audio builds. The\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eXH-M145 Amplifier Board\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan\u003e \u003c\/span\u003eis engineered around the premium\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eYDA138-E chip\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e, renowned for its high-resolution audio processing. It delivers a wide dynamic range that accurately reproduces every detail of your music. Whether you are building a desktop speaker system, restoring a vintage radio, or creating an arcade cabinet, this board ensures crisp highs and punchy lows with minimal distortion.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eUltra-Efficient Class D Power\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eTraditional amplifiers generate massive amounts of heat, requiring large, space-consuming heatsinks. Thanks to advanced\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eClass D automatic pulse width modulation\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e, the XH-M145 operates with incredible thermal efficiency. It pushes out a robust\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003e12W + 12W of stereo power\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan\u003e \u003c\/span\u003e(into 4-ohm speakers) while remaining cool to the touch. This \"chip without heat\" design allows you to install the board into tight, compact enclosures without worrying about overheating.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eBuilt-in Safety \u0026amp; Noise Reduction\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eReliability is just as important as sound quality. This digital amplifier board features built-in\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eovercurrent protection and thermal protection\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e, safeguarding your speakers and the circuitry from unexpected power spikes or short circuits. Furthermore, the integrated noise reduction technology ensures a high\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003e92% Signal-to-Noise Ratio (SNR)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e, giving you a clean, static-free audio background even when the volume is cranked up.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003ePlug-and-Play Connectivity\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eDesigned with the maker in mind, the XH-M145 makes wiring incredibly simple. It features a standard\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003e3.5mm audio jack\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan\u003e \u003c\/span\u003eand a 3-pin connector for flexible audio input. The output and power connections utilize heavy-duty\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003egreen screw terminal blocks\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e, ensuring a secure, solder-free connection to your 12V power supply and speakers. A built-in rotary volume potentiometer (with included knob hardware) gives you instant, tactile control over your audio levels.\u003c\/span\u003e\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":39377790926999,"sku":"21PS001312","price":39.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/yda138-e-digital-audio-amp-module-angle.jpg?v=1779782803"},{"product_id":"vs1053-mp3-module","title":"VS1053 MP3 Audio Decoder \u0026 Amplifier Module with Recording for Arduino","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eBring professional‑grade audio playback and recording to your Arduino projects with the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eVS1053 MP3 Audio Decoder Module\u003c\/strong\u003e. Powered by VLSI’s advanced\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eVS1053B chipset\u003c\/strong\u003e, this shield supports most common formats – including MP3, OGG, AAC, WMA, and MIDI – and doubles as a real‑time OGG recorder.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eThis board integrates seamlessly with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eArduino Uno\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMega\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003evia SPI interface — no extra wiring needed. The onboard\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAMS1117 voltage regulator\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprovides stable 3.3V and 2.5V power outputs up to 800mA. Its built‑in earphone, line‑in, and microphone jacks make it ideal for music players, sound experiments, or embedded projects requiring stereo audio playback and recording.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eCompatible with Arduino Uno \/ Mega development boards\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eBased on\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eVS1053B\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003echip – decodes MP3, WMA, OGG, AAC, MIDI\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eReal‑time OGG audio encoding and recording\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eOnboard 3.3V \/ 2.5V LDO (AMS1117) provides up to 800mA current\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eBuilt‑in headphone, line‑in, and microphone connectors\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eTF card slot for direct music playback\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003ePower supply: 5V DC input with filtering\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eFrequency crystal: 12.288 MHz\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eCompact design, easy integration into embedded systems\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":41218610561175,"sku":"","price":79.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/vs1053-mp3-audio-codec-shield-arduino-uno-front.jpg?v=1765009664"},{"product_id":"gy-4466-electret-adjustable-microphone-amplifier-module","title":"GY-4466 MAX4466 Electret Microphone Amplifier Module - Adjustable Gain","description":"\u003cp\u003e\u003cb\u003eUnlock Clear Audio for Your Projects with the GY-4466 MAX4466 Microphone Amplifier!\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eBring the power of sound to your electronic projects with this high-quality electret microphone amplifier module. Fully assembled and tested, this board features a 20-20KHz electret microphone and the exceptional Maxim MAX4466 op-amp, specifically designed for pristine audio amplification.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eWhy Choose the GY-4466 MAX4466?\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSuperior Audio Quality:\u003c\/b\u003e Experience clear, low-noise audio thanks to the MAX4466's excellent power supply noise rejection. Say goodbye to noisy or scratchy recordings!\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAdjustable Gain:\u003c\/b\u003e Fine-tune your audio input with the onboard trimmer potentiometer, allowing you to set the gain from 25x to 125x.\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003e200mVpp Output:\u003c\/b\u003e Perfect for \"line level\" inputs without clipping (ideal for normal speaking volume at 6\" away).\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUp to 1Vpp Output:\u003c\/b\u003e Easily interface with microcontroller ADCs for sensitive readings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRail-to-Rail Output:\u003c\/b\u003e The output can go up to 5Vpp, ensuring clear signal even with loud sounds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVersatile Applications:\u003c\/b\u003e Ideal for a wide range of projects, including:\n\u003cul\u003e\n\u003cli\u003eVoice Changers\u003c\/li\u003e\n\u003cli\u003eAudio Recording \u0026amp; Sampling\u003c\/li\u003e\n\u003cli\u003eAudio-Reactive Projects (e.g., with FFT)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eSimple \u0026amp; Flexible Connectivity:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003ePower:\u003c\/b\u003e Connect GND to ground and VCC to a 2.4-5VDC supply. For optimal performance, use a \"quiet\" supply like your Arduino's 3.3V.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAudio Output (OUT Pin):\u003c\/b\u003e The audio waveform is available at the OUT pin with a DC bias of VCC\/2.\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eAC Coupled Audio:\u003c\/b\u003e If your audio equipment requires AC coupling, simply place a 100uF capacitor between the OUT pin and your device's input.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDirect Microcontroller Connection:\u003c\/b\u003e For connecting directly to a microcontroller ADC pin, no amplifier or decoupling capacitor is needed – just connect the OUT pin directly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eNote on Speakers:\u003c\/b\u003e The OUT pin is not designed to drive speakers directly. For speaker output, an additional audio amplifier (like a 3.7W stereo amp) is required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eEnhance Your Projects:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eFor advanced audio-reactive projects, consider using an FFT driver library to translate audio input into frequencies, unlocking exciting possibilities for light shows, interactive displays, and more.\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":41997336019095,"sku":"","price":20.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/GY-4466-MAX4466-Sound-Sensor-Front-View-Pins.jpg?v=1754579118"},{"product_id":"isd1820-recording-module-for-arduino","title":"ISD1820 Voice Recording Module Kit with Speaker for Arduino","description":"\u003cp\u003eCapture and play back audio with ease using the ISD1820 Voice Recording Module. This versatile module is perfect for Arduino projects, DIY electronics, and adding voice prompts to your applications.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eEasy Voice Recording:\u003c\/b\u003e\u003cspan class=\"citation-29 citation-end-29\"\u003e Record up to 10 seconds of clear, natural voice audio.\u003c\/span\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003eFlexible Playback Modes:\u003c\/b\u003e\u003c\/li\u003e\n\u003cli style=\"list-style-type: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eLooping Playback:\u003c\/b\u003e Continuously repeat your recorded message.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eJog Playback:\u003c\/b\u003e Play only while the button is pressed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"citation-28\"\u003e\u003c\/span\u003e\u003cb\u003e\u003cspan class=\"citation-28\"\u003eSingle-Pass Play:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-28 citation-end-28\"\u003e Play the full message once per trigger.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"source-inline-chip-container ng-star-inserted\"\u003e\n\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDirect Speaker Drive:\u003c\/b\u003e No external amplifier needed! \u003cspan class=\"citation-27 citation-end-27\"\u003eDirectly powers the included 8 Ohm, 0.5W loudspeaker.\u003c\/span\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"citation-26\"\u003e\u003c\/span\u003e\u003cb\u003e\u003cspan class=\"citation-26\"\u003eMicrocontroller Compatible:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-26 citation-end-26\"\u003e Easily integrate with Arduino and other microcontrollers using its control pins.\u003c\/span\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCompact Design:\u003c\/b\u003e Small footprint (3.7 x 4.1cm or 38mm x 42.5mm) fits into various projects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"citation-25\"\u003e\u003c\/span\u003e\u003cb\u003e\u003cspan class=\"citation-25\"\u003eSimple Operation:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-25 citation-end-25\"\u003e Features dedicated buttons for recording (REC), single playback (RLAYE), and jog playback (PLAYL).\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"source-inline-chip-container ng-star-inserted\"\u003e\n\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eHow it Works:\u003c\/b\u003e \u003cspan class=\"citation-24 citation-end-24\"\u003eThe ISD1820 module uses the main ISD1820 chip to record and store voice messages.\u003csup class=\"superscript\" data-turn-source-index=\"6\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-23 citation-end-23\"\u003eControl playback and recording directly via onboard buttons or by connecting to a microcontroller's IO pins for automated applications.\u003csup class=\"superscript\" data-turn-source-index=\"7\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-22 citation-end-22\"\u003eJumper settings allow for loop playback (RPL) and direct microphone-to-speaker output (FT).\u003c\/span\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003c\/h3\u003e\n\u003ch3\u003e\n\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003c\/h3\u003e\n\u003ch3\u003e\n\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eTechnical Specifications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan class=\"citation-21\"\u003e\u003c\/span\u003e\u003cb\u003e\u003cspan class=\"citation-21\"\u003eMain Chip:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-21 citation-end-21\"\u003e ISD1820\u003c\/span\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"citation-20\"\u003e\u003c\/span\u003e\u003cb\u003e\u003cspan class=\"citation-20\"\u003eWorking Voltage:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-20 citation-end-20\"\u003e DC 3V - 5V\u003c\/span\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"citation-19\"\u003e\u003c\/span\u003e\u003cb\u003e\u003cspan class=\"citation-19\"\u003eLoudspeaker:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-19 citation-end-19\"\u003e 8 Ohms, 0.5W\u003c\/span\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eModule Dimensions:\u003c\/b\u003e Approximately 3.7 x 4.1 cm (1.45 x 1.61 inches) or 38mm x 42.5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRecording Time:\u003c\/b\u003e\u003cspan class=\"citation-18 citation-end-18\"\u003e Up to 10 seconds\u003c\/span\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003ePackage Includes:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 x ISD1820 Sound Voice Module\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"citation-17 citation-end-17\"\u003e1 x Loudspeaker (8 Ohm, 0.5W)\u003c\/span\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003c\/li\u003e\n\u003cli\u003e1 x Set of Free Cables\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":42309362581655,"sku":"21PS001183","price":25.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/isd1820-voice-module-board-microphone-loudspeaker-kit.png?v=1754400361"},{"product_id":"active-passive-buzzer-module-for-arduino","title":"Active \u0026 Passive Buzzer Modules for Arduino DIY Kits | 3.3V-5V","description":"\u003cp\u003eAdd dynamic audio feedback to your electronic creations with our versatile Active and Passive Buzzer Modules for Arduino and other microcontrollers! Whether you need simple beeps for alarms or precise tone generation for melodies, this product listing offers both types of buzzer modules to perfectly suit your project needs. Each module is designed for easy integration and reliable performance in your DIY kits.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Features Common to Both Modules:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eWide Voltage Compatibility:\u003c\/b\u003e Both modules operate seamlessly with 3.3V-5V systems, directly compatible with most microcontrollers (e.g., Arduino Uno, ESP32, Raspberry Pi Pico).\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEasy Integration:\u003c\/b\u003e Simple 3-wire interface for straightforward connection to your MCU's IO port.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRobust Design:\u003c\/b\u003e Features convenient fixing bolt holes for secure and easy installation into your prototypes or enclosures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCompact Size:\u003c\/b\u003e PCB dimensions are designed to be space-efficient, as shown in product photos.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eReliable Driver:\u003c\/b\u003e Both types are driven by a 9012 transistor for stable performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cb\u003eChoose Your Buzzer Type:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e1. Active Buzzer Module:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eInstant Sound:\u003c\/b\u003e Features a built-in oscillation source, producing a continuous \"beep\" sound as soon as power is applied.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSimplified Control:\u003c\/b\u003e Easily activated or deactivated with a single high or low-level signal from your microcontroller.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIdeal For:\u003c\/b\u003e Simple alarms, basic status indicators, quick audible feedback in projects, and beginner-friendly setups where complex sound control isn't required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003e2. Passive Buzzer Module:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eFull Frequency Control:\u003c\/b\u003e Lacks an internal oscillator, allowing you to generate custom tones and melodies by sending varying frequency square wave signals (e.g., 2KHz-5KHz) from your microcontroller.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMusical Potential:\u003c\/b\u003e Capable of producing a wide range of pitches, perfect for creating \"Duo Lai Mifa Solassie\" effects, musical instruments, and more intricate audio patterns.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eResource Optimization:\u003c\/b\u003e In specific applications, its control port can be multiplexed with an LED, helping to conserve your microcontroller's valuable pins.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIdeal For:\u003c\/b\u003e Projects requiring custom melodies, variable tone alerts, interactive sound designs, and advanced audio feedback where precise pitch control is paramount.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cb\u003eModule Interface Description (3-Wire System for Both):\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003e1. \u003ccode\u003e+\u003c\/code\u003e (VCC):\u003c\/b\u003e Connect to external 3.3V-5V power supply.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e2. \u003ccode\u003e-\u003c\/code\u003e (GND):\u003c\/b\u003e Connect to Ground.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e3. \u003ccode\u003eOUT\u003c\/code\u003e (I\/O):\u003c\/b\u003e Connect to your Microcontroller's digital IO port (for Active) or PWM-capable IO port (for Passive).\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Active Buzzer Module","offer_id":42849293893783,"sku":"","price":10.0,"currency_code":"HKD","in_stock":true},{"title":"Passive Buzzer Module","offer_id":42849293926551,"sku":"","price":10.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/active-buzzer-module-front-view-labeled.jpg?v=1754771885"},{"product_id":"pam8406-stereo-noiseless-power-amplifier-module","title":"PAM8406 2x5W Class D Mini Audio Amplifier Board | Dual Channel Stereo","description":"\u003ch2 data-path-to-node=\"4\"\u003eBuild Crystal-Clear Audio Projects Without the Bulk\u003c\/h2\u003e\n\u003cp data-path-to-node=\"5\"\u003eFinding a high-performance audio amplifier that fits into a compact 3D-printed enclosure or miniature electronic device can be a challenge. Bulky components often come with frustrating background noise and complicated power requirements. The \u003cb data-path-to-node=\"5\" data-index-in-node=\"242\"\u003ePAM8406 Class D Mini Amplifier Board\u003c\/b\u003e solves this by delivering robust, interference-free sound in a footprint smaller than a postage stamp.\u003c\/p\u003e\n\u003cp data-path-to-node=\"6\"\u003eBacked by our decades of experience supplying reliable electronic components, we recommend this board for anyone looking to achieve professional-grade audio in a DIY setting.\u003c\/p\u003e\n\u003cp data-path-to-node=\"6\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"7\"\u003eZero Background Noise, Pure Sound Quality\u003c\/h3\u003e\n\u003cp data-path-to-node=\"8\"\u003eNothing ruins a custom speaker build faster than a constant static hiss. This amplifier module features exceptional built-in noise suppression. Even without an active audio input, you can place your ear directly against the speaker and hear absolute silence. When the music starts, the unique Class D digital architecture delivers rich, powerful audio without the need for an external LC filter.\u003c\/p\u003e\n\u003cp data-path-to-node=\"8\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"9\"\u003eDesigned for True Flexibility and Efficiency\u003c\/h3\u003e\n\u003cp data-path-to-node=\"10\"\u003eWhether you are building a custom desktop speaker, repairing legacy electronics, or designing a STEM prototype, this board adapts to your needs. It drives both 4Ω and 8Ω speakers with ease and runs effortlessly on a standard 2.5V to 5V power supply—meaning you can power your entire audio project using a simple computer USB port or a standard power bank.\u003c\/p\u003e\n\u003cp data-path-to-node=\"10\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"11\"\u003ePremium Build for Long-Lasting Performance\u003c\/h3\u003e\n\u003cp data-path-to-node=\"12\"\u003eMachine-soldered for precision, this board outperforms hand-soldered alternatives in both durability and thermal efficiency. The double-sided wiring layout actively prevents ground potential imbalances and channel crosstalk, ensuring your stereo sound remains perfectly separated and distortion-free.\u003c\/p\u003e\n\u003cp data-path-to-node=\"13\"\u003e\u003cb data-path-to-node=\"13\" data-index-in-node=\"0\"\u003e⚠️ CRITICAL WARNING:\u003c\/b\u003e \u003ci data-path-to-node=\"13\" data-index-in-node=\"21\"\u003eTo prevent permanent damage to the IC, the \"negative\" terminals of the left and right channel outputs MUST NOT be connected together. Always connect your speakers (the load) BEFORE applying power.\u003c\/i\u003e\u003c\/p\u003e\n\u003c!----\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":44226193555607,"sku":"21PS002232","price":15.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/pam8406-mini-amplifier-board-top-view.jpg?v=1775709636"},{"product_id":"tea5767-fm-stereo-radio-module-5v-for-arduino-with-antenna","title":"TEA5767 FM Stereo Radio Module 5V for Arduino with Antenna","description":"\u003cp dir=\"auto\"\u003eUpgrade your Arduino projects with the TEA5767 FM Stereo Radio Module! This 5V module supports a frequency range of 76-108MHz and comes with a free cable antenna for easy setup.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePower Supply: 5V\u003c\/li\u003e\n\u003cli\u003eFrequency Range: 76-108MHz\u003c\/li\u003e\n\u003cli\u003ePCB Size: 31 x 30mm\u003c\/li\u003e\n\u003cli\u003eFeatures Reverse Polarity Protection Diode\u003c\/li\u003e\n\u003cli\u003eIncludes Power Output Filtering Sensor\u003c\/li\u003e\n\u003cli\u003eDirect Plug Antenna Interface\u003c\/li\u003e\n\u003cli\u003eI2C Bus Communication\u003c\/li\u003e\n\u003cli\u003eMulti-Capacitor Combined Filter\u003c\/li\u003e\n\u003cli\u003eBlue LED Power Indicator\u003c\/li\u003e\n\u003cli\u003eFM Chip: TEA5767\u003c\/li\u003e\n\u003cli\u003eOnboard 3.5mm Audio Interface\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eConnection:\u003c\/strong\u003e Connects to a single-chip with Power Ground and two I2C communication cables\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLC Harmonic Oscillator with Low-Cost Fixed Chip\u003c\/li\u003e\n\u003cli\u003eNo Intermediate Frequency Adjustment Needed\u003c\/li\u003e\n\u003cli\u003eHigh Sensitivity with Low Noise RF Input Amplifier\u003c\/li\u003e\n\u003cli\u003eHigh Power Auto Gain Control (AGC) Circuit\u003c\/li\u003e\n\u003cli\u003eSoft Mute Functionality\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003ePerfect for DIY electronics enthusiasts, this module offers reliable performance and easy integration.\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":45528605884567,"sku":"","price":45.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/TEA5767_FM_Stereo_Radio_Module_Angle.jpg?v=1777626381"},{"product_id":"elechouse-voice-recognition-module-v3-for-arduino","title":"Elechouse Voice Recognition Module V3 for Arduino - 80 Voice Commands","description":"\u003ch3\u003e\u003cb\u003eElechouse Voice Recognition Module V3: Advanced Voice Control for Arduino\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eUnlock the power of voice control in your Arduino projects with the Elechouse Voice Recognition Module V3! This compact and easy-to-use speaking recognition board is designed for makers and hobbyists looking to add intuitive voice interfaces to their creations.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eExtensive Voice Command Support:\u003c\/b\u003e Program up to 80 unique voice commands, each up to 1500ms (one or two words speaking).\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSimultaneous Recognition:\u003c\/b\u003e Train and recognize up to 7 voice commands effectively at the same time from a large command library.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Accuracy:\u003c\/b\u003e Achieve an impressive 99% recognition accuracy in ideal environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSpeaker-Dependent:\u003c\/b\u003e Customize commands to your specific voice for reliable performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFlexible Control:\u003c\/b\u003e Utilizes both Serial Port (full function) and General Input Pins (part of function) for versatile integration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eArduino Compatibility:\u003c\/b\u003e Comes with a dedicated Arduino library for easy setup and programming.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUser-Control GPIO:\u003c\/b\u003e Generate different kinds of waves via General Output Pins upon recognized voice commands.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCompact Design:\u003c\/b\u003e Measuring just 31mm x 50mm, it's perfect for projects where space is a premium.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLightweight:\u003c\/b\u003e Weighs only 17g, making it ideal for portable applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eWhat's New in V3?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eBuilding on the success of V2, the V3 module significantly enhances voice command management. While V2 separated commands into groups with limited simultaneous recognition, V3 stores all voice commands in one large library. This allows any 7 commands from your entire library to be effective and recognized at the same time, offering much greater flexibility for complex voice applications.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eTechnical Parameters:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eOperating Voltage:\u003c\/b\u003e 4.5V - 5.5V\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCurrent Consumption:\u003c\/b\u003e \u0026lt;40mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDigital Interface:\u003c\/b\u003e 5V TTL level for UART interface and GPIO\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAnalog Interface:\u003c\/b\u003e 3.5mm mono-channel microphone connector + microphone pin interface\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDimensions:\u003c\/b\u003e 31mm x 50mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eWhat's Included:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1x Voice Recognition Module V3\u003c\/li\u003e\n\u003cli\u003e1x Microphone\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":46063532376215,"sku":"21CU000131","price":168.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/elechouse-voice-recognition-module-v3-arduino-microphone.jpg?v=1755679044"},{"product_id":"esp32-wifi-voice-ai-kit","title":"ESP32 Voice AI Kit: English, Cantonese \u0026 Mandarin Dialogue","description":"\u003cp\u003e\u003cb\u003eBuild Your Own Multilingual Smart Voice Assistant\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eUnleash the power of voice control with our all-in-one ESP32 WIFI Voice AI Kit. This kit is expertly designed for developers, hobbyists, and students to explore the exciting world of AI and the Internet of Things (IoT).\u003c\/p\u003e\n\u003cp\u003eA standout feature of this kit is its advanced multilingual capability. Engage in interactive conversations in \u003cb\u003eEnglish, Cantonese, or Mandarin Chinese\u003c\/b\u003e. The device understands these inputs and responds in clear Mandarin, making it a versatile tool for a wide range of voice-activated applications.\u003c\/p\u003e\n\u003cp\u003eThe core of this kit is the powerful ESP32-S3-N16R8 microcontroller, equipped with built-in Wi-Fi, 16MB of Flash, and 8MB of PSRAM. It provides a robust foundation for even the most ambitious projects. The included expansion board is specifically designed for voice applications, allowing for seamless connection of the high-quality 3W speaker and the crisp 0.91\" OLED display.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eMultilingual AI Dialogue:\u003c\/b\u003e Supports voice input in English, Cantonese, and Mandarin Chinese, with voice output in Mandarin.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowerful Core:\u003c\/b\u003e Built around the ESP32-S3-N16R8 for high performance and connectivity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eReady to Use:\u003c\/b\u003e No soldering required. The kit includes a dedicated voice expansion board for simple, plug-and-play assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eComplete Kit:\u003c\/b\u003e Comes with a 3W speaker and a 0.91\" OLED display for a full user experience.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eWhat you can create:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eA trilingual smart home hub\u003c\/li\u003e\n\u003cli\u003eA personal voice assistant that understands regional dialects\u003c\/li\u003e\n\u003cli\u003eAn interactive language learning tool\u003c\/li\u003e\n\u003cli\u003eA wireless speaker with custom voice commands\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eWhat's in the box:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 x ESP32-S3-N16R8 Type-C 42-pin AI Edition\u003c\/li\u003e\n\u003cli\u003e1 x ESP32-S3 42-pin Voice Expansion Board\u003c\/li\u003e\n\u003cli\u003e1 x 3W Speaker\u003c\/li\u003e\n\u003cli\u003e1 x 0.91\" OLED Display\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":46185223094423,"sku":null,"price":225.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/esp32-voice-ai-kit-all-components.jpg?v=1760525047"},{"product_id":"compact-3w-4-ohm-audio-speaker-driver-51mm-square-frame","title":"Compact 3W 4 Ohm Audio Speaker Driver - 51mm Square Frame","description":"\u003cp\u003eUpgrade your audio project with this compact and reliable 3W speaker driver. Perfectly suited for DIY electronics, custom-built enclosures, or as a replacement part, this 4 Ohm speaker delivers clear and consistent sound in a small package.\u003c\/p\u003e\n\u003cp\u003eThe 51mm square mounting frame with four pre-drilled holes ensures easy and secure installation in your projects. Ideal for hobbyists, technicians, and creators working on portable speakers, alarm systems, or interactive projects.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003ePower Rating:\u003c\/b\u003e 3W (Watts)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eImpedance:\u003c\/b\u003e 4Ω (Ohms)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCompact Size:\u003c\/b\u003e 51mm square flange for easy surface mounting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVersatile:\u003c\/b\u003e Ideal for DIY projects (Arduino, Raspberry Pi), portable speakers, alarm systems, and electronic repairs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eSpecifications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eModel:\u003c\/b\u003e ITC 3W 4Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDimensions (L x W x H):\u003c\/b\u003e Approx. 51mm x 51mm x 34mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMounting:\u003c\/b\u003e 4-hole square flange\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":46223675883671,"sku":"21PS002428","price":15.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/3w-4-ohm-square-speaker-driver-front.jpg?v=1761560951"},{"product_id":"voice-control-delay-switch-module","title":"Voice Control Delay Switch Module - 10s Timer 1.5A 3-9V","description":"\u003cp data-path-to-node=\"6\"\u003eBring your DIY projects to life with sound! This compact ZK-SK Voice Control Delay Switch is the perfect solution for creating sound-activated devices.\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003eSimply make a sound, and the module provides power to your circuit for a fixed 10-second period before automatically shutting off. Its high 1.5A drive current means it can power more than just an LED—it's strong enough to drive motors, fans, and other high-power components directly.\u003c\/p\u003e\n\u003cp data-path-to-node=\"8\"\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"9,0,0\"\u003e\n\u003cb\u003eSound Activated:\u003c\/b\u003e Triggers output on when it detects sound (like a clap or voice).\u003c\/li\u003e\n\u003cli data-path-to-node=\"9,1,0\"\u003e\n\u003cb\u003e10-Second Delay:\u003c\/b\u003e Output stays active for 10 seconds after triggering, then automatically turns off.\u003c\/li\u003e\n\u003cli data-path-to-node=\"9,2,0\"\u003e\n\u003cb\u003eHigh Power Output:\u003c\/b\u003e Drives up to 1.5A, perfect for small motors, fans, or high-power LEDs.\u003c\/li\u003e\n\u003cli data-path-to-node=\"9,3,0\"\u003e\n\u003cb\u003eWide Voltage Range:\u003c\/b\u003e Operates from DC 3V to 9V. Ideal for battery-powered projects, compatible with two dry cells or a 5V power bank.\u003c\/li\u003e\n\u003cli data-path-to-node=\"9,4,0\"\u003e\n\u003cb\u003eStable \u0026amp; Reliable:\u003c\/b\u003e A built-in anti-interference circuit prevents false triggers from motor noise or electrical interference.\u003c\/li\u003e\n\u003cli data-path-to-node=\"9,5,0\"\u003e\n\u003cb\u003eOn-board Indicator:\u003c\/b\u003e A red LED lights up to show you when the output is active.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"10\"\u003e\u003cb\u003eExample Project Ideas:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"11,0,0\"\u003eDIY voice-activated lights\u003c\/li\u003e\n\u003cli data-path-to-node=\"11,1,0\"\u003eSound-controlled cooling fans\u003c\/li\u003e\n\u003cli data-path-to-node=\"11,2,0\"\u003eInteractive toys or model cars\u003c\/li\u003e\n\u003cli data-path-to-node=\"11,3,0\"\u003eAutomatic hallway or closet lighting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"12\"\u003e\u003cb\u003eHow to Use:\u003c\/b\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli data-path-to-node=\"13,0,0\"\u003eConnect your power source (3-9V) to the **VCC (+) ** and \u003cb\u003eGND (-)\u003c\/b\u003e pins.\u003c\/li\u003e\n\u003cli data-path-to-node=\"13,1,0\"\u003eConnect your load (e.g., motor, LED) to the \u003cb\u003eOUT+\u003c\/b\u003e and \u003cb\u003eOUT-\u003c\/b\u003e pins.\u003c\/li\u003e\n\u003cli data-path-to-node=\"13,2,0\"\u003eMake a sound to activate the 10-second timer!\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp data-path-to-node=\"14\"\u003e\u003cb\u003eSpecifications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"15,0,0\"\u003e\n\u003cb\u003eModel:\u003c\/b\u003e ZK-SK\u003c\/li\u003e\n\u003cli data-path-to-node=\"15,1,0\"\u003e\n\u003cb\u003eWorking Voltage:\u003c\/b\u003e DC 3-9V\u003c\/li\u003e\n\u003cli data-path-to-node=\"15,2,0\"\u003e\n\u003cb\u003eMax Drive Current:\u003c\/b\u003e 1.5A\u003c\/li\u003e\n\u003cli data-path-to-node=\"15,3,0\"\u003e\n\u003cb\u003eDelay Time:\u003c\/b\u003e 10 seconds (fixed)\u003c\/li\u003e\n\u003cli data-path-to-node=\"15,4,0\"\u003e\n\u003cb\u003eDimensions:\u003c\/b\u003e 31 x 25 x 12mm (1.22 x 0.98 x 0.47in)\u003c\/li\u003e\n\u003cli data-path-to-node=\"15,5,0\"\u003e\n\u003cb\u003eWeight:\u003c\/b\u003e Approx. 3.8g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"16\"\u003e\u003cb\u003ePackage Includes:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"17,0,0\"\u003e1 x Voice Control Delay Switch Module (ZK-SK)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":46275738894487,"sku":"21PS002181","price":19.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/voice-control-delay-switch-module-zk-sk-angle.jpg?v=1763182269"},{"product_id":"keyes-lilypad-buzzer-module","title":"KEYES LilyPad Buzzer Module for Arduino \u0026 Micro Bit (Wearable)","description":"\u003cp data-path-to-node=\"11\"\u003e\u003cb\u003eAdd Sound to Your Wearable Tech Projects!\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"12\"\u003eBring your e-textile and wearable creations to life with the KEYES LilyPad Buzzer Module. This compact, sewable module is designed to be easily integrated into fabric projects, allowing you to add audio alerts, simple melodies, or sound effects to your designs.\u003c\/p\u003e\n\u003cp data-path-to-node=\"13\"\u003eWhether you're building an interactive jacket, a smart backpack, or a custom accessory, this small speaker is the perfect way to give your project a voice.\u003c\/p\u003e\n\u003cp data-path-to-node=\"14\"\u003e \u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"15,0,0\"\u003e\n\u003cb\u003eWearable Design:\u003c\/b\u003e Part of the LilyPad system, this module features large, sewable connection pads for easy stitching with conductive thread.\u003c\/li\u003e\n\u003cli data-path-to-node=\"15,1,0\"\u003e\n\u003cb\u003eSimple Audio Output:\u003c\/b\u003e Functions as a small buzzer or speaker to play tones and alerts.\u003c\/li\u003e\n\u003cli data-path-to-node=\"15,2,0\"\u003e\n\u003cb\u003eBroad Compatibility:\u003c\/b\u003e Fully compatible with popular microcontrollers like Arduino (LilyPad, Uno, etc.) and BBC Micro Bit.\u003c\/li\u003e\n\u003cli data-path-to-node=\"15,3,0\"\u003e\n\u003cb\u003eEasy to Use:\u003c\/b\u003e Operates on a standard 5V input, making it simple to power with your main board.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"16\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"17,0,0\"\u003e\n\u003cb\u003eBrand:\u003c\/b\u003e KEYES\u003c\/li\u003e\n\u003cli data-path-to-node=\"17,1,0\"\u003e\n\u003cb\u003eProduct:\u003c\/b\u003e LilyPad Buzzer Module\u003c\/li\u003e\n\u003cli data-path-to-node=\"17,2,0\"\u003e\n\u003cb\u003eInput Voltage:\u003c\/b\u003e 5V\u003c\/li\u003e\n\u003cli data-path-to-node=\"17,3,0\"\u003e\n\u003cb\u003eMounting:\u003c\/b\u003e Two sewable holes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"18\"\u003e \u003c\/p\u003e\n\u003ch4\u003eIdeal Applications\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eE-textile projects\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,1,0\"\u003eSmart clothing and accessories\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,2,0\"\u003eInteractive art installations\u003c\/li\u003e\n\u003cli data-path-to-node=\"19,3,0\"\u003eEducational STEM projects for Arduino and Micro Bit\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":46280745877655,"sku":"21PS002052","price":15.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/keyes-lilypad-buzzer-module-top.jpg?v=1763374756"},{"product_id":"inmp441-omnidirectional-mems-microphone-module","title":"INMP441 Omnidirectional MEMS Microphone Module - I2S Interface","description":"\u003cp data-path-to-node=\"6\"\u003e\u003cb\u003eCapture High-Fidelity Audio with Precision\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003eThe \u003cb\u003eINMP441\u003c\/b\u003e is a high-performance, low-power, omnidirectional MEMS microphone designed for digital audio applications. Unlike traditional analog microphones, the INMP441 features a built-in 24-bit I2S interface, allowing it to connect directly to digital processors like the ESP32, DSPs, or microcontrollers without needing an external audio codec.\u003c\/p\u003e\n\u003cp data-path-to-node=\"8\"\u003eWith its compact circular design (approx. 1.5cm diameter) and pre-soldered headers, this module is perfect for near-field audio recording, voice recognition projects, and DIY smart home devices.\u003c\/p\u003e\n\u003cp data-path-to-node=\"9\"\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"10,0,0\"\u003e\n\u003cb\u003eDigital Clarity:\u003c\/b\u003e Industry-standard 24-bit I2S interface for direct digital output.\u003c\/li\u003e\n\u003cli data-path-to-node=\"10,1,0\"\u003e\n\u003cb\u003eHigh Performance:\u003c\/b\u003e Excellent Signal-to-Noise Ratio (SNR) of 61 dBA and high sensitivity (-26 dBFS).\u003c\/li\u003e\n\u003cli data-path-to-node=\"10,2,0\"\u003e\n\u003cb\u003eBroadband Response:\u003c\/b\u003e Flat frequency response from 60 Hz to 15 kHz ensures natural, high-definition sound.\u003c\/li\u003e\n\u003cli data-path-to-node=\"10,3,0\"\u003e\n\u003cb\u003eLow Power:\u003c\/b\u003e Extremely low current consumption (1.4mA), ideal for battery-operated devices.\u003c\/li\u003e\n\u003cli data-path-to-node=\"10,4,0\"\u003e\n\u003cb\u003eBottom Port Design:\u003c\/b\u003e Omnidirectional pickup pattern for consistent audio capture from all directions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"11\"\u003e\u003cb\u003eTechnical Specifications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"12,0,0\"\u003e\n\u003cb\u003eInput Voltage (VCC):\u003c\/b\u003e 1.8V to 3.3V\u003c\/li\u003e\n\u003cli data-path-to-node=\"12,1,0\"\u003e\n\u003cb\u003eInterface:\u003c\/b\u003e I2S (Inter-IC Sound)\u003c\/li\u003e\n\u003cli data-path-to-node=\"12,2,0\"\u003e\n\u003cb\u003ePSR:\u003c\/b\u003e -75 dBFS\u003c\/li\u003e\n\u003cli data-path-to-node=\"12,3,0\"\u003e\n\u003cb\u003eDimensions:\u003c\/b\u003e Diameter ~1.5cm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"13\"\u003e\n\u003cp data-path-to-node=\"14\"\u003e\u003cb\u003ePin Definition \u0026amp; Wiring Guide:\u003c\/b\u003e\u003c\/p\u003e\n\u003ctable data-path-to-node=\"15\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eName\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-path-to-node=\"15,1,0,0\"\u003e\u003cb\u003eSCK\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd data-path-to-node=\"15,1,1,0\"\u003eSerial Clock\u003c\/td\u003e\n\u003ctd data-path-to-node=\"15,1,2,0\"\u003eSerial data clock for the I2S interface.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-path-to-node=\"15,2,0,0\"\u003e\u003cb\u003eWS\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd data-path-to-node=\"15,2,1,0\"\u003eWord Select\u003c\/td\u003e\n\u003ctd data-path-to-node=\"15,2,2,0\"\u003eSelection for I2S interface (Left\/Right clock).\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-path-to-node=\"15,3,0,0\"\u003e\u003cb\u003eL\/R\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd data-path-to-node=\"15,3,1,0\"\u003eChannel Select\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp data-path-to-node=\"15,3,2,0\"\u003e\u003cb\u003eLow (GND):\u003c\/b\u003e Left Channel output.\u003c\/p\u003e\n\u003cbr data-path-to-node=\"15,3,2,1\"\u003e\n\u003cp data-path-to-node=\"15,3,2,2\"\u003e\u003cb\u003eHigh (VDD):\u003c\/b\u003e Right Channel output.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-path-to-node=\"15,4,0,0\"\u003e\u003cb\u003eSD\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd data-path-to-node=\"15,4,1,0\"\u003eSerial Data\u003c\/td\u003e\n\u003ctd data-path-to-node=\"15,4,2,0\"\u003eDigital audio data output.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-path-to-node=\"15,5,0,0\"\u003e\u003cb\u003eVCC\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd data-path-to-node=\"15,5,1,0\"\u003ePower\u003c\/td\u003e\n\u003ctd data-path-to-node=\"15,5,2,0\"\u003eInput power (1.8V - 3.3V).\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-path-to-node=\"15,6,0,0\"\u003e\u003cb\u003eGND\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd data-path-to-node=\"15,6,1,0\"\u003eGround\u003c\/td\u003e\n\u003ctd data-path-to-node=\"15,6,2,0\"\u003eCommon ground.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eESP32 Connection Tutorial:\u003c\/p\u003e\n\u003cp\u003eGet started quickly with your ESP32 development board:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"17,0,0\"\u003e\n\u003cb\u003eSCK\u003c\/b\u003e → GPIO 14\u003c\/li\u003e\n\u003cli data-path-to-node=\"17,1,0\"\u003e\n\u003cb\u003eWS\u003c\/b\u003e → GPIO 15\u003c\/li\u003e\n\u003cli data-path-to-node=\"17,2,0\"\u003e\n\u003cb\u003eSD\u003c\/b\u003e → GPIO 32\u003c\/li\u003e\n\u003cli data-path-to-node=\"17,3,0\"\u003e\n\u003cb\u003eL\/R\u003c\/b\u003e → GND (for Left Channel)\u003c\/li\u003e\n\u003cli data-path-to-node=\"17,4,0\"\u003e\n\u003cb\u003eGND\u003c\/b\u003e → GND\u003c\/li\u003e\n\u003cli data-path-to-node=\"17,5,0\"\u003e\n\u003cb\u003eVDD\u003c\/b\u003e → 3.3V\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":46292590985367,"sku":"21PS002423","price":25.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/INMP441-MEMS-microphone-module-top-view.jpg?v=1763712409"},{"product_id":"dfplayer-mini-mp3-player-module-mp3-tf-16p-for-arduino-audio-project","title":"DFPlayer Mini MP3 Player Module MP3-TF-16P for Arduino \u0026 Audio Project","description":"\u003cp data-start=\"439\" data-end=\"731\"\u003eThe DFPlayer Mini is a compact and highly reliable MP3 audio module designed for Arduino and other microcontroller-based audio playback projects. It supports standalone operation or serial control, making it ideal for DIY electronics, robotics, voice prompts, and commercial embedded systems.\u003c\/p\u003e\n\u003ch4 data-start=\"733\" data-end=\"753\"\u003e\u003cstrong data-start=\"737\" data-end=\"753\"\u003eKey Features\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-start=\"756\" data-end=\"839\"\u003e\n\u003cstrong data-start=\"756\" data-end=\"779\"\u003eCompact \u0026amp; Powerful:\u003c\/strong\u003e Integrated hardware decoding for MP3, WAV, and WMA formats.\u003c\/li\u003e\n\u003cli data-start=\"842\" data-end=\"938\"\u003e\n\u003cstrong data-start=\"842\" data-end=\"865\"\u003eArduino Compatible:\u003c\/strong\u003e Works with Arduino Uno, Nano, Mega, ESP32, STM32, and any MCU with UART.\u003c\/li\u003e\n\u003cli data-start=\"941\" data-end=\"1028\"\u003e\n\u003cstrong data-start=\"941\" data-end=\"970\"\u003eFlexible Storage Support:\u003c\/strong\u003e Supports TF Cards and U-Disks up to 32GB (FAT16 \/ FAT32).\u003c\/li\u003e\n\u003cli data-start=\"1031\" data-end=\"1058\"\u003e\n\u003cstrong data-start=\"1031\" data-end=\"1058\"\u003eMultiple Control Modes:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli data-start=\"1063\" data-end=\"1080\"\u003eIO Trigger Mode\u003c\/li\u003e\n\u003cli data-start=\"1085\" data-end=\"1106\"\u003eUART Serial Control\u003c\/li\u003e\n\u003cli data-start=\"1111\" data-end=\"1140\"\u003eAD Key (resistor button) Mode\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1143\" data-end=\"1251\"\u003e\n\u003cstrong data-start=\"1143\" data-end=\"1173\"\u003eHigh-Quality Audio Output:\u003c\/strong\u003e 24-bit DAC, 90dB dynamic range, 85dB SNR, with support for 3W speaker output.\u003c\/li\u003e\n\u003cli data-start=\"1254\" data-end=\"1394\"\u003e\n\u003cstrong data-start=\"1254\" data-end=\"1283\"\u003eAdvanced Audio Functions:\u003c\/strong\u003e\u003cbr data-start=\"1283\" data-end=\"1286\"\u003eFolder playback, 30-step volume control, 6 EQ presets, voice prompt insertion (background pause + resume).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"1396\" data-end=\"1428\"\u003e\u003cstrong data-start=\"1400\" data-end=\"1428\"\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cdiv class=\"_tableContainer_1rjym_1\"\u003e\n\u003cdiv class=\"group _tableWrapper_1rjym_13 flex w-fit flex-col-reverse\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"1429\" data-end=\"1669\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1429\" data-end=\"1456\"\u003e\n\u003ctr data-start=\"1429\" data-end=\"1456\"\u003e\n\u003cth data-start=\"1429\" data-end=\"1439\" data-col-size=\"sm\"\u003eFeature\u003c\/th\u003e\n\u003cth data-start=\"1439\" data-end=\"1456\" data-col-size=\"sm\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"1471\" data-end=\"1669\"\u003e\n\u003ctr data-start=\"1471\" data-end=\"1493\"\u003e\n\u003ctd data-start=\"1471\" data-end=\"1479\" data-col-size=\"sm\"\u003eModel\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1479\" data-end=\"1493\"\u003eMP3-TF-16P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1494\" data-end=\"1522\"\u003e\n\u003ctd data-start=\"1494\" data-end=\"1510\" data-col-size=\"sm\"\u003eSampling Rate\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1510\" data-end=\"1522\"\u003e8–48 KHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1523\" data-end=\"1546\"\u003e\n\u003ctd data-start=\"1523\" data-end=\"1536\" data-col-size=\"sm\"\u003eDAC Output\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1536\" data-end=\"1546\"\u003e24-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1547\" data-end=\"1596\"\u003e\n\u003ctd data-start=\"1547\" data-end=\"1565\" data-col-size=\"sm\"\u003eStorage Support\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1565\" data-end=\"1596\"\u003eTF Card \/ U-Disk up to 32GB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1597\" data-end=\"1628\"\u003e\n\u003ctd data-start=\"1597\" data-end=\"1611\" data-col-size=\"sm\"\u003eFile System\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1611\" data-end=\"1628\"\u003eFAT16 \/ FAT32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1629\" data-end=\"1646\"\u003e\n\u003ctd data-start=\"1629\" data-end=\"1634\" data-col-size=\"sm\"\u003eEQ\u003c\/td\u003e\n\u003ctd data-start=\"1634\" data-end=\"1646\" data-col-size=\"sm\"\u003e6 Levels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1647\" data-end=\"1669\"\u003e\n\u003ctd data-start=\"1647\" data-end=\"1656\" data-col-size=\"sm\"\u003eVolume\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1656\" data-end=\"1669\"\u003e30 Levels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch4 data-start=\"1671\" data-end=\"1691\"\u003e\u003cstrong data-start=\"1675\" data-end=\"1691\"\u003eApplications\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-start=\"1694\" data-end=\"1726\"\u003eNavigation \u0026amp; GPS voice prompts\u003c\/li\u003e\n\u003cli data-start=\"1729\" data-end=\"1767\"\u003eSecurity alarms \u0026amp; smart home systems\u003c\/li\u003e\n\u003cli data-start=\"1770\" data-end=\"1802\"\u003ePublic transport announcements\u003c\/li\u003e\n\u003cli data-start=\"1805\" data-end=\"1844\"\u003eRobots, toys, interactive electronics\u003c\/li\u003e\n\u003cli data-start=\"1847\" data-end=\"1881\"\u003eFactory automation voice prompts\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":46292749811863,"sku":"21PS002409","price":15.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/dfplayer-mini-mp3-module-top-tf-card-slot.jpg?v=1763720087"},{"product_id":"pam8403-5v-2-channel-3w-mini-audio-amplifier-board","title":"PAM8403 5V 2-Channel 3W Mini Audio Amplifier Board with Volume Control","description":"\u003cp data-path-to-node=\"11\"\u003eUpgrade your DIY audio projects with this compact and efficient PAM8403 Audio Amplifier Board. Designed with the PAM8403 chip, this Class-D digital amplifier delivers powerful sound (2x3W) in a miniature form factor. It features a built-in potentiometer with a switch, allowing for easy volume control and power management. Perfect for USB-powered speakers, portable radios, and custom sound systems.\u003c\/p\u003e\n\u003cp data-path-to-node=\"12\"\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"13,0,0\"\u003e\n\u003cb\u003eHigh Efficiency Class-D:\u003c\/b\u003e Delivers 3W + 3W output power with high fidelity and low noise.\u003c\/li\u003e\n\u003cli data-path-to-node=\"13,1,0\"\u003e\n\u003cb\u003eIntegrated Controls:\u003c\/b\u003e Comes with a high-quality potentiometer for smooth volume adjustment and a built-in power switch (turn counter-clockwise to shut down).\u003c\/li\u003e\n\u003cli data-path-to-node=\"13,2,0\"\u003e\n\u003cb\u003eFlexible Power:\u003c\/b\u003e Operates on DC 2.5V to 5.5V. Can be easily powered via a computer USB port or a 5V power bank.\u003c\/li\u003e\n\u003cli data-path-to-node=\"13,3,0\"\u003e\n\u003cb\u003eCompact Design:\u003c\/b\u003e Ultra-small footprint (approx. 28mm x 20mm) fits into tight enclosures.\u003c\/li\u003e\n\u003cli data-path-to-node=\"13,4,0\"\u003e\n\u003cb\u003eSuperior Filtering:\u003c\/b\u003e Equipped with a solid-state filter capacitor for stable performance and clear audio output.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"14\"\u003e\u003cb\u003eTechnical Specifications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"15,0,0\"\u003e\n\u003cb\u003eChip:\u003c\/b\u003e PAM8403 (Class D)\u003c\/li\u003e\n\u003cli data-path-to-node=\"15,1,0\"\u003e\n\u003cb\u003eOperating Voltage:\u003c\/b\u003e DC 2.5V - 5.5V (Recommended 5V)\u003c\/li\u003e\n\u003cli data-path-to-node=\"15,2,0\"\u003e\n\u003cb\u003eOutput Power:\u003c\/b\u003e 3W x 2 (at 4Ω load)\u003c\/li\u003e\n\u003cli data-path-to-node=\"15,3,0\"\u003e\n\u003cb\u003eSpeaker Impedance:\u003c\/b\u003e 4Ω - 8Ω (4Ω recommended)\u003c\/li\u003e\n\u003cli data-path-to-node=\"15,4,0\"\u003e\n\u003cb\u003eDimensions:\u003c\/b\u003e 29.5mm x 20.2mm x 15mm (excluding potentiometer handle)\u003c\/li\u003e\n\u003cli data-path-to-node=\"15,5,0\"\u003e\n\u003cb\u003eProtection:\u003c\/b\u003e Current limit and thermal protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"16\"\u003e\u003cb\u003eApplication Note:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"17,0,0\"\u003eEnsure the power supply voltage does not exceed 5.5V to prevent chip damage.\u003c\/li\u003e\n\u003cli data-path-to-node=\"17,1,0\"\u003eThe \"Negative\" outputs of the Left and Right channels should not be connected together; they must be connected directly to the speaker terminals.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":46296057413783,"sku":"21PS001588","price":15.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/pam8403-audio-amplifier-board-main-view.jpg?v=1763805968"},{"product_id":"gy-pcm5102-i2s-dac-decoder-board-hifi-audio","title":"GY-PCM5102 I2S DAC Decoder Board - HiFi Audio for Raspberry Pi\/STM32","description":"\u003cp data-path-to-node=\"8\"\u003eElevate your DIY audio projects with the \u003cb\u003eGY-PCM5102 I2S DAC Decoder Board\u003c\/b\u003e. Designed around the high-performance Texas Instruments PCM5102A chip, this module provides a cost-effective way to add high-quality, HiFi stereo audio output to digital microcontrollers.\u003c\/p\u003e\n\u003cp data-path-to-node=\"9\"\u003eUnlike standard PWM audio, this board uses the \u003cb\u003eI2S interface\u003c\/b\u003e to deliver crisp, clean analog sound without the need for a master clock (MCLK), making it perfectly compatible with Raspberry Pi, STM32, ESP32, and other I2S-capable devices.\u003c\/p\u003e\n\u003cp data-path-to-node=\"10\"\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"11,0,0\"\u003e\n\u003cb\u003eHiFi Audio Quality:\u003c\/b\u003e Delivers 2V RMS stereo line output (standard line-level) for connecting to amplifiers or headphones.\u003c\/li\u003e\n\u003cli data-path-to-node=\"11,1,0\"\u003e\n\u003cb\u003eStandard Connectivity:\u003c\/b\u003e Features a built-in \u003cb\u003e3.5mm gold-plated stereo jack\u003c\/b\u003e for immediate audio connection.\u003c\/li\u003e\n\u003cli data-path-to-node=\"11,2,0\"\u003e\n\u003cb\u003eEasy Integration:\u003c\/b\u003e Uses a standard I2S interface (SCK, BCK, DIN) and operates on a 5V supply. It generates its own internal clock using PLL, simplifying wiring (only 3 wires needed for data).\u003c\/li\u003e\n\u003cli data-path-to-node=\"11,3,0\"\u003e\n\u003cb\u003eCompact Design:\u003c\/b\u003e Small footprint (32mm x 17mm) ideal for compact builds or stacking on top of development boards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"12\"\u003e\u003cb\u003eTechnical Specifications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"13,0,0\"\u003e\n\u003cb\u003eModel:\u003c\/b\u003e GY-PCM5102\u003c\/li\u003e\n\u003cli data-path-to-node=\"13,1,0\"\u003e\n\u003cb\u003eChipset:\u003c\/b\u003e PCM5102A\u003c\/li\u003e\n\u003cli data-path-to-node=\"13,2,0\"\u003e\n\u003cb\u003eInterface Type:\u003c\/b\u003e I2S (Inter-IC Sound)\u003c\/li\u003e\n\u003cli data-path-to-node=\"13,3,0\"\u003e\n\u003cb\u003eSupply Voltage:\u003c\/b\u003e 5V DC\u003c\/li\u003e\n\u003cli data-path-to-node=\"13,4,0\"\u003e\n\u003cb\u003eOutput:\u003c\/b\u003e 3.5mm Stereo Audio Jack (Line Out)\u003c\/li\u003e\n\u003cli data-path-to-node=\"13,5,0\"\u003e\n\u003cb\u003ePCB Size:\u003c\/b\u003e 32mm x 17mm\u003c\/li\u003e\n\u003cli data-path-to-node=\"13,6,0\"\u003e\n\u003cb\u003ePinout:\u003c\/b\u003e VCC, GND, LCK, DIN, BCK, SCK\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"14\"\u003e\u003cb\u003eApplications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"15,0,0\"\u003eRaspberry Pi Audio Streamers (Volumio, Moode Audio)\u003c\/li\u003e\n\u003cli data-path-to-node=\"15,1,0\"\u003eHome Theater \u0026amp; A\/V Receivers\u003c\/li\u003e\n\u003cli data-path-to-node=\"15,2,0\"\u003eDIY Bluetooth or WiFi Speakers\u003c\/li\u003e\n\u003cli data-path-to-node=\"15,3,0\"\u003eSmart Audio Systems with AUX Output\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"16\"\u003e\u003cb\u003ePackage Includes:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"17,0,0\"\u003e1x GY-PCM5102 DAC Module\u003c\/li\u003e\n\u003cli data-path-to-node=\"17,1,0\"\u003e1x Pin Header Set (Unsoldered)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":46300188573847,"sku":"21PS002586","price":25.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/pcm5102-audio-module-top-view.jpg?v=1763979927"},{"product_id":"pam8302a-2-5w-class-d-audio-amplifier-module","title":"PAM8302A 2.5W Mono Class D Audio Amplifier Module","description":"\u003ch2 data-path-to-node=\"6\"\u003eSupercharge Your Audio Projects with the PAM8302A\u003c\/h2\u003e\n\u003cp data-path-to-node=\"7\"\u003eDon't let the miniature footprint fool you. The \u003cb data-path-to-node=\"7\" data-index-in-node=\"48\"\u003ePAM8302A Mono Class D Amplifier\u003c\/b\u003e is engineered to deliver a massive audio upgrade to your custom electronics. Whether you are building a portable retro gaming console, a smart home alert system, or an interactive STEM project, this module effortlessly drives up to 2.5 Watts into 4-8 ohm impedance speakers.\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"8\"\u003eHigh Efficiency for Battery-Powered Builds\u003c\/h3\u003e\n\u003cp data-path-to-node=\"9\"\u003ePower management is critical in portable electronics. Because this module utilizes a \u003cb data-path-to-node=\"9\" data-index-in-node=\"85\"\u003eClass D controller\u003c\/b\u003e, it boasts an incredible \u003cb data-path-to-node=\"9\" data-index-in-node=\"129\"\u003e90%+ power efficiency\u003c\/b\u003e when driving an 8Ω speaker at over half a Watt. It sips power from a standard 2.0V-5.5VDC supply, meaning your battery life lasts significantly longer compared to traditional Class AB amplifiers.\u003c\/p\u003e\n\u003cp data-path-to-node=\"9\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"10\"\u003eBuilt-in Protection \u0026amp; Precision Volume Control\u003c\/h3\u003e\n\u003cp data-path-to-node=\"11\"\u003eSafety and stability are built right into the board. The PAM8302A features robust \u003cb data-path-to-node=\"11\" data-index-in-node=\"82\"\u003ethermal and over-current protection\u003c\/b\u003e, ensuring your circuits remain safe even during peak audio spikes. Additionally, the onboard volume trim potentiometer gives you precise control, allowing you to easily adjust the output down from the default 24dB gain to perfectly match your project's acoustic needs.\u003c\/p\u003e\n\u003cp data-path-to-node=\"11\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"12\"\u003eBridge-Tied Output for Direct Speaker Drive\u003c\/h3\u003e\n\u003cp data-path-to-node=\"13\"\u003eDesigned for simplicity and signal integrity, the output of this module is \u003cb data-path-to-node=\"13\" data-index-in-node=\"75\"\u003e\"Bridge Tied.\"\u003c\/b\u003e This means the output pins connect directly to your speaker coils without needing a ground connection. The high-frequency 250KHz square wave PWM is mechanically averaged out by the speaker itself, ensuring you only hear crisp, clear audio. \u003ci data-path-to-node=\"13\" data-index-in-node=\"330\"\u003e(Note: Because of this architecture, this module must drive speakers directly and cannot be chained into another amplifier).\u003c\/i\u003e\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":46945685569687,"sku":"21PS001589","price":29.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/pam8302a-class-d-amplifier-top-view.jpg?v=1772168810"},{"product_id":"sound-sensor-module-analog-digital","title":"High-Sensitivity Sound Sensor Module | 3.3V-5V Analog \u0026 Digital Output","description":"\u003ch2 data-path-to-node=\"5\"\u003e\u003cb data-path-to-node=\"5\" data-index-in-node=\"0\"\u003ePrecision Sound Detection for Your Electronic Projects\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"5\"\u003eWhether you are building a smart home security system or an interactive STEM project, accurate environmental sensing is critical. This Sound Sensor Module is engineered to detect audio intensity in its surroundings, translating sound waves into readable electrical signals for your microcontroller. Utilizing a highly responsive electret condenser microphone, it easily picks up ambient noises, from human speech to handclaps, making it an essential component for any interactive electronic build.\u003c\/p\u003e\n\u003cp data-path-to-node=\"5\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"6\"\u003e\u003cb data-path-to-node=\"6\" data-index-in-node=\"0\"\u003eDual Output Versatility (AO \u0026amp; DO)\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"6\"\u003eUnlike basic sensors that only offer a binary on\/off state, this module features dual signal outputs to suit diverse engineering needs. The \u003cb data-path-to-node=\"6\" data-index-in-node=\"174\"\u003eAnalog Output (AO)\u003c\/b\u003e provides a real-time, continuous voltage signal that directly mirrors the microphone's audio waveform, ideal for granular noise level monitoring. Simultaneously, the \u003cb data-path-to-node=\"6\" data-index-in-node=\"359\"\u003eDigital Output (DO)\u003c\/b\u003e delivers a clear High\/Low logic level when the sound exceeds a specific limit, perfect for triggering immediate actions like turning on a relay or lighting an LED.\u003c\/p\u003e\n\u003cp data-path-to-node=\"6\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"7\"\u003e\u003cb data-path-to-node=\"7\" data-index-in-node=\"0\"\u003eAdjustable Sensitivity for Custom Thresholds\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"7\"\u003eAvoid false alarms caused by background noise. The onboard precision potentiometer allows you to manually calibrate the digital output's threshold. By simply turning the screw, you can fine-tune the exact decibel level required to flip the DO pin, giving you complete control over your project's responsiveness.\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"8\"\u003e\u003cb data-path-to-node=\"8\" data-index-in-node=\"0\"\u003eSeamless Microcontroller Integration\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"8\"\u003eDesigned for broad compatibility, this module operates efficiently on a wide voltage range of 3V to 5.5V DC. This makes it a seamless plug-and-play addition for both 3.3V systems (like Raspberry Pi or ESP32) and standard 5V logic boards (like Arduino Uno). Combined with a standard 3mm mounting hole, integration into custom 3D-printed enclosures or standard chassis is fast and secure.\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":47583929565335,"sku":"21PS001796","price":25.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/sound-sensor-module-top-view.jpg?v=1774951939"},{"product_id":"52mm-round-full-range-speaker-4ohm-5w","title":"52mm Round Full-Range Speaker | 4 Ohm 5W | DIY Audio \u0026 STEM Electronics","description":"\u003ch2 data-path-to-node=\"2\"\u003eBring Your Audio Projects to Life\u003c\/h2\u003e\n\u003cp data-path-to-node=\"3\"\u003eFinding the right balance between compact size and clear sound output is crucial for any custom electronics build. Our \u003cb data-path-to-node=\"3\" data-index-in-node=\"119\"\u003e52mm Round Full-Range Speaker\u003c\/b\u003e is engineered to deliver reliable, high-fidelity audio for a wide variety of applications. Whether you are prototyping a smart home device or building a custom desktop radio, this component guarantees a professional audio experience.\u003c\/p\u003e\n\u003cp data-path-to-node=\"3\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"4\"\u003eEngineered for Clarity and Power\u003c\/h3\u003e\n\u003cp data-path-to-node=\"5\"\u003eDon't let the compact 52mm diameter fool you. Featuring a premium \u003cb data-path-to-node=\"5\" data-index-in-node=\"66\"\u003ePU edge surround\u003c\/b\u003e, this speaker handles a broad frequency range from 150Hz to 20kHz, ensuring your audio doesn't sound tinny or hollow. With a rated power of 5W (peaking at 6W) and a 4 Ohm impedance, it efficiently translates power into clear, distortion-free sound. The robust 45mm magnet provides the driving force necessary for an impressive 95dB\/W sensitivity, making it louder and more responsive than standard micro-speakers.\u003c\/p\u003e\n\u003cp data-path-to-node=\"5\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"6\"\u003eSeamless Integration for Makers and Engineers\u003c\/h3\u003e\n\u003cp data-path-to-node=\"7\"\u003eDesigned with makers in mind, this full-range speaker is incredibly easy to mount and wire into your existing circuits. Its lightweight 84g design and shallow 26mm mounting depth make it a perfect fit for tight enclosures. It pairs flawlessly with mini audio amplifiers and popular microcontroller platforms, making it an essential component for any engineer's toolkit.\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":47648576438423,"sku":null,"price":22.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/52mm-round-full-range-speaker-front.jpg?v=1775707784"},{"product_id":"ky-006-passive-buzzer-module","title":"KY-006 Passive Buzzer Module | DIY Programmable Audio Alarm for Arduino","description":"\u003ch2 data-path-to-node=\"6\"\u003eBring Your Electronics Projects to Life with Custom Sound\u003c\/h2\u003e\n\u003cp data-path-to-node=\"7\"\u003eWhether you are building a smart home security system, a DIY weather station, or an interactive STEM toy, auditory feedback is crucial. The \u003cb data-path-to-node=\"7\" data-index-in-node=\"140\"\u003eKY-006 Passive Buzzer Module\u003c\/b\u003e is engineered to deliver clear, customizable audio outputs, transforming a silent circuit board into an interactive experience.\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"8\"\u003eComplete Tone Control (Passive vs. Active Buzzers)\u003c\/h3\u003e\n\u003cp data-path-to-node=\"9\"\u003eNot all buzzers are created equal. Active buzzers have internal oscillators that restrict them to a single, continuous beep. The KY-006 is a \u003cb data-path-to-node=\"9\" data-index-in-node=\"141\"\u003epassive buzzer\u003c\/b\u003e, meaning it relies on external Pulse-Width Modulation (PWM) signals from your microcontroller (like an Arduino or ESP32). This gives you the creative freedom to manipulate frequencies (between 1.5kHz and 2.5kHz) to play specific musical notes, complex melodies, or varying alarm sirens.\u003c\/p\u003e\n\u003cp data-path-to-node=\"9\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"10\"\u003eEngineered for Versatility and Efficiency\u003c\/h3\u003e\n\u003cp data-path-to-node=\"11\"\u003eOperating on a wide voltage range of \u003cb data-path-to-node=\"11\" data-index-in-node=\"37\"\u003e1.5V to 15V\u003c\/b\u003e, this module easily adapts to both low-power microcontroller logic and higher-voltage industrial setups. With a working current of \u003cb data-path-to-node=\"11\" data-index-in-node=\"180\"\u003e\u0026lt;25mA\u003c\/b\u003e, it provides excellent sound volume without draining your power supply, making it ideal for battery-operated IoT devices.\u003c\/p\u003e\n\u003cp data-path-to-node=\"11\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"12\"\u003eBacked by Local Expertise\u003c\/h3\u003e\n\u003cp data-path-to-node=\"13\"\u003eSourcing reliable electronic components shouldn't be a gamble. At Sun Cheong Computer, we back our catalog with over 20 years of technical expertise. Whether you are ordering a single module for a school project or sourcing parts for a commercial prototype, you can rely on our proven O2O (Online-to-Offline) support.\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":47713123795095,"sku":"21PS001533","price":10.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/ky-006-passive-buzzer-module-front-view.jpg?v=1776858119"},{"product_id":"max98357a-i2s-audio-amplifier-module","title":"MAX98357A I2S Class D Audio Amplifier Module (Pre-Soldered) for ESP32","description":"\u003ch2 data-path-to-node=\"6\"\u003eElevate Your IoT Audio Experience\u003c\/h2\u003e\n\u003cp data-path-to-node=\"7\"\u003eBuilding a custom smart speaker, internet radio, or interactive IoT device shouldn't require an engineering degree in audio signal processing. The \u003cb data-path-to-node=\"7\" data-index-in-node=\"147\"\u003eMAX98357A I2S Audio Amplifier Module\u003c\/b\u003e is designed to take the digital audio straight from your microcontroller and drive a speaker directly. By keeping the audio strictly in the digital domain until the very last stage, it drastically reduces interference, static, and signal degradation, ensuring pristine sound quality for your projects.\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"8\"\u003eSeamless I2S Integration (No MCLK Required)\u003c\/h3\u003e\n\u003cp data-path-to-node=\"9\"\u003eOne of the biggest hurdles in digital audio is clock synchronization. This module simplifies your build by eliminating the need for a master clock (MCLK). It features an integrated PLL (Phase-Locked Loop) that automatically detects the BCLK and LRC frequencies, allowing it to seamlessly configure up to 35 different clocks and 128 digital audio formats. Simply connect the standard I2S pins (DIN, BCLK, LRC), provide power, and you are ready to play audio from your ESP32 or Raspberry Pi.\u003c\/p\u003e\n\u003cp data-path-to-node=\"9\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"10\"\u003eCompact Size, Massive Output\u003c\/h3\u003e\n\u003cp data-path-to-node=\"11\"\u003eDon't let the small footprint fool you. Running on a standard 5V logic supply, this filterless Class D amplifier delivers a robust \u003cb data-path-to-node=\"11\" data-index-in-node=\"131\"\u003e3.2W of power into a 4Ω speaker\u003c\/b\u003e or \u003cb data-path-to-node=\"11\" data-index-in-node=\"166\"\u003e1.8W into an 8Ω speaker\u003c\/b\u003e. The high efficiency of the Class D architecture means it generates minimal heat, making it perfect for battery-powered or tightly enclosed portable audio projects.\u003c\/p\u003e\n\u003cp data-path-to-node=\"11\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"12\"\u003eBuilt for Makers and Fast Prototyping\u003c\/h3\u003e\n\u003cp data-path-to-node=\"13\"\u003eTime is your most valuable asset when prototyping. We stock this module with the 7-pin header already pre-soldered, alongside a robust screw terminal for your speaker wires. Whether you are dropping it onto a breadboard for testing or wiring it permanently into a 3D-printed enclosure, it is designed for rapid deployment. Backed by Sun Cheong Computer's 20 years of trusted electronics supply, you can rely on this module for consistent, high-fidelity performance.\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":47720821588119,"sku":"21PS002633","price":25.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/max98357a-i2s-audio-amplifier-module-front.jpg?v=1777026105"},{"product_id":"ky-037-high-sensitivity-sound-sensor-module","title":"KY-037 High Sensitivity Sound Detection Microphone Sensor Module for Arduino","description":"\u003ch2 data-path-to-node=\"5\"\u003eEmpower Your Projects with Smart Sound Detection\u003c\/h2\u003e\n\u003cp data-path-to-node=\"6\"\u003eWhether you are prototyping a smart home security system or building an interactive robotics project, accurate environmental sensing is critical. The KY-037 microphone sensor module acts as the \"ears\" of your microcontroller, engineered to pick up ambient noise and translate it into a readable electronic signal.\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003eBuilt with a highly sensitive electret condenser microphone, it is designed for rapid response. It detects sound waves up to 0.5 meters away, making it the perfect component for localized audio triggers.\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"8\"\u003eDual Output Flexibility (Digital \u0026amp; Analog)\u003c\/h3\u003e\n\u003cp data-path-to-node=\"9\"\u003eThis module doesn't just limit you to a simple on\/off switch. It features a versatile 4-pin interface that provides both digital (DO) and analog (AO) outputs:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"10,0,0\"\u003e\n\u003cb data-path-to-node=\"10,0,0\" data-index-in-node=\"0\"\u003eDigital Output (DO):\u003c\/b\u003e Outputs a simple high\/low signal when the sound volume crosses a specific threshold. Perfect for triggering relays, LEDs, or simple microcontroller interrupts.\u003c\/li\u003e\n\u003cli data-path-to-node=\"10,1,0\"\u003e\n\u003cb data-path-to-node=\"10,1,0\" data-index-in-node=\"0\"\u003eAnalog Output (AO):\u003c\/b\u003e Provides a real-time voltage representation of the microphone's audio signal, allowing you to measure sound intensity variations dynamically.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"11\"\u003ePrecision Control with Onboard Potentiometer\u003c\/h3\u003e\n\u003cp data-path-to-node=\"12\"\u003eStop guessing and start tuning. The integrated VR1 potentiometer allows you to fine-tune the digital output's threshold sensitivity. A simple twist with a screwdriver lets you calibrate the sensor to ignore background hums and only trigger upon distinct noises, such as a handclap or a breaking glass sound.\u003c\/p\u003e\n\u003cp data-path-to-node=\"12\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"13\"\u003eReliable LM393 Comparator Architecture\u003c\/h3\u003e\n\u003cp data-path-to-node=\"14\"\u003eAt the heart of the KY-037 is the industry-standard LM393 comparator chip. This ensures the digital output signal is crisp, stable, and free from the jitter that plagues lower-quality sensors. Coupled with built-in LED indicators for power and digital output status, troubleshooting your circuit board logic has never been easier.\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":47722489708695,"sku":"21PS001112","price":20.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/ky-037-sound-sensor-module-main.jpg?v=1777097023"},{"product_id":"max9814-electret-microphone-amplifier-module-agc","title":"MAX9814 Electret Microphone Amplifier Module | AGC Auto Gain Control","description":"\u003ch2 class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eStop Audio Clipping with Automatic Gain Control (AGC)\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eStandard microphone modules often struggle with dynamic audio environments—whispers are too quiet to detect, while loud claps cause severe distortion and clipping. The\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eMAX9814 Microphone Amplifier\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan\u003e \u003c\/span\u003eeliminates this problem using advanced\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eAutomatic Gain Control (AGC)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e. This built-in hardware feature dynamically adjusts the amplifier's gain in real-time. It automatically turns down the volume when sounds get too loud and boosts the sensitivity when sounds are quiet, ensuring your microcontroller receives a smooth, consistent analog waveform.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eSelectable Gain for Any Environment\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eNot every project requires the same level of sensitivity. The MAX9814 module features a dedicated \"Gain\" pin that allows you to easily configure the maximum amplification level. You can set it to\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003e40dB, 50dB, or 60dB\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan\u003e \u003c\/span\u003edepending on your application. Whether you are building a sensitive sleep-talking recorder or a loud karaoke entertainment system, this module adapts perfectly to your acoustic environment.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eUltra-Low Noise \u0026amp; High-Fidelity Output\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eDesigned for high-quality audio applications, this module boasts an incredibly low\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eTotal Harmonic Distortion (THD) of just 0.04%\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e. It includes an internal low-noise 2V microphone bias, ensuring that the analog signal sent to your Arduino's ADC (Analog-to-Digital Converter) is clean and free from static interference. The output is a 2Vpp max signal with a 1.25V DC offset, making it incredibly easy to read with standard 3.3V or 5V microcontrollers.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003e💡 Pro Tip from Our Technicians\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003e\"Wiring the Gain pin on the MAX9814 is incredibly simple but often overlooked by beginners! As printed on the back of the PCB: if you leave the Gain pin\u003cspan\u003e \u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003efloating (unconnected)\u003c\/strong\u003e, the module defaults to a highly sensitive\u003cspan\u003e \u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e60dB\u003c\/strong\u003e. If you connect the Gain pin to\u003cspan\u003e \u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003eGND\u003c\/strong\u003e, it drops to\u003cspan\u003e \u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e50dB\u003c\/strong\u003e. Connecting it to\u003cspan\u003e \u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003eVDD\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esets it to\u003cspan\u003e \u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e40dB.\u003c\/strong\u003e\"\u003c\/span\u003e\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":47914137682071,"sku":null,"price":25.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/max9814-electret-microphone-agc-amplifier-module-front.jpg?v=1781344256"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/collections\/audio-modules-collection.png?v=1776432426","url":"https:\/\/scccltd.com\/collections\/audio-modules.oembed","provider":"Sun Cheong Computer Company Limited","version":"1.0","type":"link"}