Sensors
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KY-003 Hall Magnetic Sensor Module for Arduino | A3144 Sensor
Regular price HK$10.00Regular priceSale price HK$10.00 -
MQ-135 Air Quality & Hazardous Gas Sensor Module (MQ135)
Regular price HK$25.00Regular priceSale price HK$25.00 -
DS18B20 Pluggable Terminal Adapter Module (with 4.7k Pull-up Resistor)
Regular price HK$15.00Regular priceSale price HK$15.00 -
Waterproof DS18B20 Temperature Sensor Probe (60cm) - Digital 1-Wire
Regular price HK$20.00Regular priceSale price HK$20.00 -
GY-521 MPU-6050 6-DOF 3-Axis Gyroscope + Accelerometer Sensor Module
Regular price HK$20.00Regular priceSale price HK$20.00 -
Makey Makey Compatible Touch Keypad USB Shield for Arduino Uno
Regular price HK$59.00Regular priceSale price HK$59.00 -
DFRobot A02YYUW Waterproof Ultrasonic Sensor | UART 3-450cm
Regular price HK$169.00Regular priceSale price HK$169.00 -
MAX30102 Heart Rate & SpO2 Sensor Module | Pre-Soldered
Regular price HK$35.00Regular priceSale price HK$35.00 -
Flex Sensor 4.5" with Pre-Soldered Module | Analog & Digital Output
Regular price HK$248.00Regular priceSale price HK$248.00 -
DFRobot Gravity PPG Heart Rate Sensor for Arduino & Pi | IoT Ready
Regular price HK$175.00Regular priceSale price HK$175.00 -
OV7670 VGA Camera Sensor Module | 640x480 I2C SCCB for Arduino
Regular price HK$49.00Regular priceSale price HK$49.00 -
KY-010 Photo Interrupter Sensor Module | Arduino & DIY Robotics
Regular price HK$10.00Regular priceSale price HK$10.00 -
TCRT5000 Infrared Reflective Sensor Module | Line Tracking for MCU
Regular price HK$20.00Regular priceSale price HK$20.00 -
KY-037 High Sensitivity Sound Detection Microphone Sensor Module for Arduino
Regular price HK$20.00Regular priceSale price HK$20.00 -
BME680 Environmental Sensor Module (Temp, Humidity, Pressure, Gas)
Regular price HK$85.00Regular priceSale price HK$85.00 -
DHT30 Digital Temperature & Humidity Sensor Module | High Precision
Regular price HK$10.00Regular priceSale price HK$10.00
Collection: Sensors
Welcome to our comprehensive selection of sensor modules, engineered for makers, professionals, and students. Whether you are building with Arduino, Raspberry Pi, or ESP32 platforms, our high-quality electronic components provide the precise input data needed for your prototyping and development needs.
Essential Sensors for Every Electronic Project
Choosing the right input module is crucial for developing smart home automation, environmental monitoring systems, or interactive STEM robotics. Our catalogue features reliable hardware designed for seamless integration, ensuring high stability and accurate real-world data collection for any application.
Explore Our Diverse Sensor Categories
- Environmental & Weather: Temperature and humidity (DHT11, DS18B20), barometric pressure, and UV sensors for climate monitoring and weather stations.
- Motion & Distance: Ultrasonic (HC-SR04), PIR infrared, and ToF laser modules for obstacle avoidance, robotics, and proximity detection.
- Gas & Air Quality: MQ series sensors for detecting carbon monoxide, alcohol, and hazardous gases in industrial or DIY safety setups.
- Biometric & Health: Pulse, ECG (AD8232), and biometric sensors for developing wearable technology prototypes.
- Force & Weight: Load cells and force-sensitive resistors (FSR) for digital scales and precise impact testing.
How to Choose the Right Sensor Module?
When selecting a module, always consider the operating voltage (3.3V vs. 5V) to match your mainboard and prevent hardware damage. Additionally, verify the required output type—analog signals or digital interfaces like I2C, SPI, and I2S—to ensure full compatibility with your existing circuitry and programming libraries.