MAX30102 Heartbeat Frequency Tester Heart Rate Sensor Module

The MAX30102 Heartbeat Frequency Tester Module is a compact, high-precision optical sensor designed to measure heart rate (Pulse) and blood oxygen concentration (SpO₂). Built around the popular MAX30102 integrated sensor, this module combines red and infrared LEDs with a low-noise photodetector to deliver accurate biometric measurements for wearable devices, health monitoring projects, fitness trackers, and medical research applications.

Designed for Arduino, ESP32, ESP8266, Raspberry Pi, STM32, and other microcontroller platforms, the MAX30102 communicates via the I²C interface, making it simple to integrate into both beginner and advanced electronics projects. Its low power consumption makes it ideal for battery-powered applications such as smartwatches, portable health devices, and IoT monitoring systems.

The MAX30102 is widely used in educational, research, and prototype development where reliable pulse and oxygen saturation measurements are required.

Features

• Based on the genuine MAX30102 optical biometric sensor
• Measures heart rate (Pulse) and blood oxygen saturation (SpO₂)
• Integrated red and infrared LEDs for accurate optical sensing
• High-sensitivity photodetector with low-noise performance
• Low power consumption for portable and wearable devices
• I²C communication interface for easy integration
• Compact PCB design with mounting holes
• Compatible with popular Arduino and ESP libraries
• Ideal for wearable technology, healthcare, and IoT applications

Applications

• Heart rate monitoring
• Blood oxygen (SpO₂) monitoring
• Fitness trackers
• Smartwatches
• Wearable electronics
• Medical monitoring prototypes
• Patient monitoring systems
• Biomedical research
• Arduino and Raspberry Pi projects
• IoT health monitoring devices
• Educational electronics projects

Technical Specifications

• Sensor IC: MAX30102
• Measurements: Heart Rate (Pulse) and Blood Oxygen Saturation (SpO₂)
• Communication Interface: I²C (Two-Wire Interface)
• Operating Voltage: 3.3V to 5V (module dependent)
• Integrated Red LED and Infrared LED
• High-sensitivity photodiode
• Low power operation suitable for battery-powered devices
• Fast sampling rate for real-time measurements
• Compact PCB with mounting holes for secure installation

Compatibility

The MAX30102 module is compatible with a wide range of development boards, including:

• Arduino Uno, Nano, Mega and Pro Mini
• ESP32
• ESP8266
• Raspberry Pi
• STM32
• Other I²C-compatible microcontrollers

Package Includes

• 1 × MAX30102 Heartbeat Frequency Tester Heart Rate Sensor Module
• 2 × Male Pin Header Strips

Whether you're developing a wearable fitness tracker, building a health monitoring device, or experimenting with biometric sensing, the MAX30102 Heartbeat Frequency Tester Heart Rate Sensor Module provides an accurate, reliable, and easy-to-use solution for pulse and blood oxygen measurement. With excellent library support and straightforward I²C connectivity, it is one of the most popular biometric sensor modules available for makers, students, and professional developers.