Name: MAX30102 Heart Rate and Pulse Oximeter Sensor
SKU: 4121
Availability: InStock

MAX30102 Heart Rate and Pulse Oximeter Sensor – Biometric Monitoring Module for Wearables and Health Devices

The MAX30102 is a compact, high-precision sensor module that integrates a pulse oximeter and heart-rate monitor into a single device. Designed specifically for wearable health and fitness devices, this module uses advanced optical technology to measure oxygen saturation levels (SpO₂) and heart rate through skin contact.

It features integrated red and infrared LEDs, a photodetector, low-noise analog signal processing, and a digital output via an I2C interface. With excellent ambient light cancellation and low power consumption, the MAX30102 is perfect for battery-powered applications.

This sensor module is ideal for health monitoring systems, fitness bands, smartwatches, and IoT-based medical devices. It’s compatible with most microcontrollers, including Arduino, ESP32, and STM32 platforms, making it easy to implement in both beginner and professional projects.

Key Features

Measures heart rate and blood oxygen saturation (SpO₂)
Integrated red and infrared LEDs and photodetector
High ambient light rejection for accurate readings
Low power consumption – ideal for wearable and battery-powered applications
Communicates via I2C interface
Small form factor for easy integration into compact designs

Product Specifications

Feature	Specification
Sensor Type	Pulse Oximeter and Heart Rate Sensor
Operating Voltage	1.8V (core), 3.3V (power via onboard regulator)
Communication Interface	I2C
LED Wavelengths	Red: ~660nm, IR: ~880nm
LED Drive Current	Programmable up to 50mA
Sampling Rate	50 to 3200 samples per second
Operating Temperature	-40°C to +85°C
Dimensions	~14mm x 14mm x 4mm (varies by breakout board)
Output Data	SpO₂ level and heart rate (bpm)
Compatible Platforms	Arduino, ESP32, STM32, Raspberry Pi, etc.
Applications	Fitness trackers, smartwatches, health monitors, biomedical IoT devices