The heart rate sensor module MAX30100 is an integrated pulse oximetry and heart rate monitor sensor solution. The heartbeat sensor combines two LEDs, the photodetector, and optimized optics. This best heart rate module is low-noise analog signal processing to detect pulse oximetry and heart-rate signals.

Features
- Optical sensor: IR and red LED combined with a photodetector.
- Measures absorbance of pulsing blood.
- I2C interface plus INT pin.
- 3.3V power supply complete pulse oximeter and heart rate sensor solution, simplifies design, integrated LEDs, photo sensor, and high-performance analog front.
- Ultra-low power operation increases battery life for wearable devices.
- Advanced functionality improves measurement performance, high SNR provides robust motion artifact resilience integrated.
- ambient, light cancellation high sample rate capability fast data output capability.
- It is an integrated pulse oximetry and heart rate monitor sensor solution.
Pinout

Pin Name | Pin Description |
---|---|
VIN | 1.8V – 5.5V Power Input |
SCL | I2C Serial Clock |
SDA | I2C Serial Data |
INT | MAX30100 Interrupt |
IRD | IR LED Cathode and LED Driver Connection Point. Leave floating in the circuit |
RD | Red LED Cathode and LED Driver Connection Point. Leave floating in the circuit. |
GND | 0V / Reference Voltage |
Specifications
Operating Voltage | 1.8v – 5.5v |
Interface Type | I2C Serial Interface |
Module Dimensions | 18.8mm (L) x 14.4mm (W) x 3.0mm (H) |
Module Weight | 1.2g (Header + module) |
Application
- Wearable Devices.
- Fitness Assistant Devices.
- Medical Monitoring Devices.
Datasheet
Download the Datasheet of MAX30100 SPO2 Pulse Oximeter Heart Rate Sensor Module from the link given below.