The MAX30100 is an integrated optical sensor that measures heart rate (BPM) and blood oxygen saturation (SpO₂). It combines red and infrared LEDs, a photodetector, and low-noise signal processing, communicating via an I2C interface.
Key Specifications
- Operating Voltage: 1.8V to 3.3V (modules often include a 5V-to-3.3V regulator)
- LED Wavelengths: Red (660nm) and Infrared (880nm)
- Communication: I2C digital interface
- Power: Ultra-low power consumption with software standby mode
