MAX30102 Pulse Oximeter and Heart Rate Sensor Module

The MAX30102 is an integrated pulse oximetry and heart-rate monitor module from Maxim Integrated. It combines an LED, photodetector, and low-noise electronics on a single chip, making it ideal for wearable health-monitoring projects. This module communicates over I2C and is designed for makers, students, and engineers building SpO2 and heart-rate measurement systems.

Specifications

• Operating voltage: 1.8V to 3.3V (logic level)
• Interface: I2C (address 0x57)
• LED wavelengths: Red (660nm) and IR (880nm)
• Sample rate: up to 3200 samples per second
• Dimensions: 18mm x 12mm x 2mm
• Package: 14-pin LGA

Compatible with

• Arduino Uno, Nano, Mega
• ESP32, ESP8266
• Raspberry Pi (via I2C)
• STM32, Teensy, and other 3.3V microcontrollers

What you can build with it

• Wearable heart-rate monitor for fitness tracking
• Pulse oximeter for SpO2 measurement in health kits
• Biometric data logger for sports or medical research

Built and Backed by Compoden

Every MAX30102 module from Compoden includes access to our AI build companion, delivered via QR code, email, or WhatsApp, to help you wire and program it into a working project. With 10 years of experience supplying makers and institutions across India, we ensure reliable components and clear guidance. Pay your way: UPI, cards, or Cash on Delivery, anywhere in India.