MAX30102 Heart Rate and SPO2 Sensor

Features:

The MAX30102 is an integrated pulse oximeter and heart rate monitor biosensor module. It integrates a red LED and an infrared LED, 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