Analog Knob Module 100K Rotary Potentiometer for Arduino & Raspberry Pi
Analog Knob Module 100K Rotary Potentiometer for Arduino & Raspberry Pi
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Short Product Description
Short Product Description
Take precise control of your electronics projects with this high-quality Analog Knob Module. Featuring a 100K ohm linear potentiometer and a smooth 270-degree rotation, this module is the perfect interface for adjusting brightness, volume, or motor speeds. Designed for seamless integration with Arduino, Raspberry Pi, and MCU platforms, its plug-and-play 3-pin design (GND, VCC, OUT) eliminates complex wiring, making it an essential component for STEM education and professional prototyping alike.
Key Features
Key Features
- Smooth 270° Rotation: Provides a wide physical range for highly granular control of your variables.
- Universal Compatibility: Works out-of-the-box with Arduino, Raspberry Pi, STM32, and all major MCU platforms.
- Dual-Voltage Support: Supports 3.3V and 5V power inputs for versatile project applications.
- Compact PCB Design: At only 23.9mm x 21.3mm, it fits easily into tight enclosures and control panels.
- Standard 3-Pin Interface: Clear labeling (GND, VCC, OUT) ensures error-free wiring even for beginners.
Full Product Description
Full Product Description
Precise Analog Control for Your DIY Projects
The Analog Knob Module acts as a variable resistor that provides a stable 0 to VCC analog voltage signal. Whether you are building a custom synthesizer, a dimmable LED lamp, or a robotic controller, this module offers the tactile feedback and reliability required for professional-grade electronics.
Why Choose This Rotation Sensor?
Most standard potentiometers are difficult to mount on breadboards or custom housings. This module solves that problem with a pre-soldered PCB base and mounting holes.
- Linear Accuracy: The 100K ohm resistance provides a wide range of values, allowing for fine-tuned adjustments in your code.
- Dual Voltage Compatibility: Operates perfectly on both 3.3V (Raspberry Pi/ESP32) and 5V (Arduino Uno/Mega) logic levels.
- Rugged Construction: Built to withstand repeated use in classroom environments or industrial testing rigs.
Seamless Integration
By connecting the OUT (S) port to an Analog Input pin (like A0 on Arduino), you can translate physical rotation into digital data. Use the included map() function in your code to convert the 0–1023 signal into useful parameters like PWM duty cycles or temperature thresholds.
Technical Specifications
Technical Specifications
- Resistance: 100K Ω
- Rotation Angle: 270 °
- Operating Voltage: 3.3 V – 5 V DC
- Output Signal: Analog (0 – VCC)
- Dimensions: 23.9 mm × 21.3 mm
- Weight: Approx. 5 g
- Pinout: GND – GroundVCC – PowerOUT – Signal
Delivery Options
Delivery Options
- Local delivery within Hong Kong and in-store pickup.
- Free shipping for orders of HK$400 or above; HK$35 shipping fee for orders below HK$400.
- Shipped by SF Express, usually dispatched the same day for orders confirmed before 6:00 PM (Mon–Sat).
- Estimated delivery time: 1–3 business days after dispatch (Hong Kong).
- In-store pickup details (location and time) will be confirmed by email or phone message.
- Delivery times are estimates and may be affected by weather or unforeseen circumstances.
FAQ Section
FAQ Section
Q: Can I use this with a 3.3V ESP32 or Raspberry Pi?
A: Yes, the module is compatible with 3.3V logic. Ensure you connect VCC to the 3.3V rail to protect your board's GPIO pins.
Q: Is the rotation continuous or does it have a stop?
A: This is a standard potentiometer with physical stops at 0 and 270 degrees, ideal for absolute position sensing.
Q: Does it require any external libraries for Arduino?
A: No, it uses the standard analogRead() function. No special libraries are needed, keeping your code lightweight.
Target Users / Applications
Target Users / Applications
- STEM Educators: Perfect for teaching students about voltage dividers and analog-to-digital conversion.
- PC Gamers & Modders: Create custom physical knobs for volume control or RGB lighting intensity.
- Industrial Prototyping: Rapidly test interface designs for machinery or equipment.
