DFRobot MAX30102 Heart Rate and Oximeter Sensor V2.0
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Prices updated: 12 Oct 2026
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About this product
Heart rate and blood oxygen (SpO2) sensor module from DFRobot, built around the MAX30102 optical sensor chip. It works over I2C or UART and suits wearable health projects and biomedical learning experiments. Its readings are for prototyping and education, not certified medical measurement.
Specifications
- Sensor chip
- MAX30102
- Measurements
- Heart rate, SpO2
- Interface
- I2C / UART
- Light sources
- Red 660 nm and infrared 880 nm LEDs
Frequently asked questions
Is the DFRobot MAX30102 module compatible with Arduino and ESP32?
Yes. Connect VCC, GND, SDA and SCL, and use an I2C library compatible with the MAX30102. For ESP32 check the board's voltage rating and use 3.3 V logic levels where required.
How should I place my finger for a stable reading?
Rest your fingertip gently on the sensor window, keep it still and avoid pressing too hard. Movement and ambient light are the main causes of unstable readings.
