MAX30100 Heart Rate and SPO2 Sensor

MAX30100 Heart Rate and SPO2 Sensor

SKU: AR401 Category:


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