1、GPIO Interface: On board for Raspberry Pi40 pin GPIO interface, suitable for for Raspberry Pi series motherboards, leading to 12C control interface, easy access to for STM32 and other main control boards. 2、Magnetic Field Detection: For QM8658C, for AKo9918 (3 axle acceleration, 3 axle gyroscope and 3 axle magnetometer) on board, can detect motion attitude, orientation and magnetic field. 3、Temperature and Humidity Sensor: On board SHTC3 digital temperature and humidity sensor, which can sense the temperature and humidity of the environment, and on board LPS22HB atmospheric pressure sensor, which can sense the atmospheric pressure of the environment. 4、Color Recognition: TcS34087 color recognition sensor on board, can recognize the color of surrounding objects, SGM58031 chip on board, 4 channel 16 bit accuracy ADC, can expand the AD function to access more sensors. 5、PCB Material: Expansion board made of PCB material, long time use without deformation, so as to ensure long term stability. Item Type: Sensor Expansion Board for Raspberry Pi Material: PCB QM8658C Motion Attitude Sensor (3 Axle Acceleration, 3 Axle Gyroscope): I2C Address: 0x6B Accelerometer Resolution: 16 Bits Gyroscope Resolution: 16 bits AK09918 Electronic Compass 3 Axle Magnetometer: I2C Address: 0x0C Resolution: 16 Bits Magnetometer Range: ±4912μT SHTC3 Digital Temperature and Humidity Sensor: I2C Address: 0x70 Temperature Detection: -30 to 100°C (Accuracy ±0.2°C) Humidity Detection: 0% to 100%RH (Accuracy ±2%RH) LPS22HB Atmospheric Pressure Sensor: I2C Address: 0x5C Measurement Range: 260 to 1260hPa Measurement Accuracy: ±0.025hPa (At Room Temperature) Measurement Rate: 1HZ to 75HZ SGM58031 ADC Converter: I2C Address: 0x48 Number of Channels: 4 Channels Accuracy: 16 Bit Accuracy ADC TCS34087 Color Sensor: I2C Address: 0x29 Gain Ratio: 0.5x,1x,2x,4x,8x,16x,32x,64x,256x,512x,1024x,2048x 1 x Sensor Expansion Board 1 x Pin 3 x Screw 3 x Nut 6 x Stud