MAX30102 Heart Rate & Pulse Oximeter Sensor Module V2.0 (DFRobot)

The MAX30102 Heart Rate & Pulse Oximeter Sensor Module V2.0 from DFRobot is a compact optical sensor board built around the popular MAX30102 chip. It detects pulse and blood-oxygen signals using built-in LEDs and a photodetector, sending readings to your microcontroller over a simple digital interface. It is ideal for makers, students, and electronics hobbyists building DIY wearables, fitness gadgets, and educational sensing projects.

Key features

• Based on the widely supported MAX30102 sensor chip.
• Latest V2.0 board revision from DFRobot.
• Compact module that fits neatly into breadboards and small enclosures.
• Works with common development boards and existing open-source libraries.
• Easy wiring for fast prototyping and learning.

Typical uses

• DIY pulse and oximeter project prototypes.
• Arduino, ESP32, and Raspberry Pi sensing experiments.
• Wearable and fitness-tracker maker projects.
• STEM and electronics learning kits.

How to choose / tips

Confirm your board supports the sensor's digital interface and that you have a suitable library installed. Keep wiring short and clean for stable signals, and mount the module so the optical window faces the measurement point. This is a hobby and educational component, not a certified medical device.

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