MAX30102 is an integrated pulse oximeter and heart-rate sensor developed by Maxim Integrated. It's commonly used in wearable health and fitness devices to monitor heart rate and blood oxygen saturation (SpO₂) through a method called photoplethysmography (PPG).
Sensor Type:Optical pulse oximeter and heart rate sensor
LED Wavelenghts:Red 660 nm,infrared 880 nm
Photodetector:High- sensitivity light detector
Data Interface :I2C (Two-wire:SDA,SCL)
Operating Voltage:1.8V-I/O:18V to 3.3V (modules often support 3.3-5V VIN)
Supply current:600 µA(typical during measurement),<1µA in shutdown
Operating temperature:-40°C to +85°C
Pulse Oximetry Accuracy:±2% SpO₂ (typical for healthy ranges)
Heart Rate Accuracy:±3 BPM (beats per minute)
Output Data Rate:Configurable: 10 Hz to 100 Hz
Ambient Light Rejection:Integrated ambient light cancellation