The MAX30102 is an integrated pulse oximetry and heart-rate monitor biosensor module. It combines internal LEDs, photodetectors, and optical elements for accurate SpO2 and heart rate measurement, ideal for wearable health devices.

Sensor IC: MAX30102 Operating Voltage (Chip): 1.8V Operating Voltage (LEDs): 3.3V Communication Protocol: I2C (400 kHz Fast Mode) LEDs: Red (660nm) and Infrared (880nm) Photodetector: Integrated Photodiode Ambient Light Rejection: Yes Dimensions: Approx. 20mm x 15mm (varies by module manufacturer) Operating Temperature: -40°C to +85°C ADC Resolution: 18-bit Sample Rate: Up to 3.2 kHz (SpO2 mode) Interface Pins: VCC, GND, SDA, SCL, INT (Optional)

