Attributes

Brand	-
Category	Robotics / STEM Teaching Tools / Sensors
Origin	-
Sensor Type	MAX30102 Optical Sensor
Interface	I2C Communication Protocol
Operating Voltage	1.8V to 3.3V
LED Wavelengths	Red (660nm) and IR (880nm)
Compatibility	STM32, Arduino, ESP32, Raspberry Pi
Package Type	Breakout Board with Header Pins
Dimensions	18mm x 14mm x 4mm
Sampling Rate	Up to 3200Hz
FIFO Buffer	18-Word Deep FIFO
Application	Wearable Health Monitoring Prototyping

6 reviews

Anonymous

Mar 30, 2026

Rating: 4/5

Good accuracy, needs calibration

The sensor provides consistent readings for pulse detection. However, for blood oxygen levels, you will need to calibrate it against a medical-grade device if you need precise data. Great for learning and prototyping though.

Anonymous

Mar 28, 2026

Rating: 5/5

Excellent value for money

Compared to other sensors in this category, the MAX30102 offers incredible performance at this price point. The breakout board layout is clean, and soldering the headers was easy.

Anonymous

Mar 27, 2026

Rating: 4/5

Works well after figuring out pull-ups

Initially had trouble getting data, but realized my microcontroller needed external pull-up resistors on the SDA and SCL lines. Once added, it worked perfectly. Documentation could be slightly better for beginners.

Anonymous

Mar 14, 2026

Rating: 5/5

Perfect for STM32 Projects

This module integrated seamlessly with my STM32 development board. The I2C communication was stable right out of the box, and the library support made reading heart rate data very straightforward.

Anonymous

Mar 12, 2026

Rating: 5/5

Low power consumption

I am using this for a battery-powered wearable project. The power management features of the MAX30102 are impressive, allowing for long runtimes without sacrificing sampling quality.

Anonymous

Mar 03, 2026

Rating: 5/5

Robust and reliable

Have been testing this for three weeks continuously. No dropouts or errors in the data stream. The FIFO buffer helps prevent data loss during high-load processing tasks on the MCU.

5 FAQ

Q: Is there a ready-made library for STM32CubeIDE?

A: Yes, there are several open-source drivers available on GitHub compatible with STM32CubeIDE. We also provide a basic example code snippet in our documentation resources section.

Q: What is the maximum distance for reliable I2C communication?

A: For standard I2C speeds, keep the cable length under 30cm for maximum reliability. If you need longer distances, consider using an I2C extender or buffer chip.

Q: Can this sensor work through a glass screen protector?

A: Optical sensors like the MAX30102 generally require direct skin contact or very thin, transparent material. Thick glass or opaque materials will likely block the LED light and prevent accurate readings.

Q: Does this module come with the necessary pull-up resistors onboard?

A: Most versions of this breakout board include onboard pull-up resistors for the I2C lines, but we recommend checking the specific schematic provided in the product manual to confirm for your batch.

Q: Is this sensor calibrated for medical diagnosis?

A: No, this module is intended for educational, hobbyist, and prototyping purposes only. It is not calibrated or certified for medical diagnosis or clinical use.

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