AITRIP 2PCS MAX30102 Low Power Heart Rate Click Sensor Breakout Board Module Compatible with Arduino for Raspberry Pi Pulse Oximetry Solution SpO2 Replace MAX30100

Interface: VIN: Main power input 1.8V-5V. 3-bit pad: I2C bus pull up level, you can choose 1.8V or 3.3V according to the pin master voltage. SCL: I2C bus clock SDA: Connected to the I2C bus data INT: MAX30102 chip interrupt pin RD: MAX30102 chip's RD LED grounding terminal, generally doesn't need to connect. IRD: MAX30102 chip's IR LED grounding terminal, generally doesn't need to connect. GND: grounding wire. Low Power Device Drivers Free Algorithm Example C Source Code For Arduino And mbed Platforms Test Data Competitive Advantages Highly-integrated, small-size sensor Non-chest based heart-rate/SpO2 detection Ultra-low power consumption Package Included: 2pcs  MAX30102 Sensor Module