Features:
The MAX30100 is an integrated pulse oximeter and heart rate monitor biosensor module. It integrates a red LED and an infrared LED, a photodetector, optical components, and low-noise electronic circuitry with ambient light suppression.
- LED Peak Wavelength: 660nm/880nm
- LED Power Supply Voltage: 3.3 – 5V
- Detection Signal Type: Light Reflection Signal (PPG)
- Output Signal Interface: I2C interface
Pin Description:
- VIN: Main power input terminal 1.8 – 5V
- 3-bit pad: Select the pull-up level of the bus, depending on the pin master voltage, select 1.8V or 3.3V
- SCL: The clock connected to the I2C bus
- SDA: Data connected to the I2C bus
- INT: Interrupt pin of the MAX30102 chip
- RD: RED LED ground terminal of MAX30102 chip, generally not connected
- IRD: The IR LED ground of the MAX30102 chip is generally not connected
- GND: Ground wire
