Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Model Number | MAX30102 |
| Brand | Seven Star Bug |
| Sensor Type | Optical (PPG) |
| Interface | I2C |
| Operating Voltage | 1.8V - 3.3V |
| Wavelengths | Red (660nm) and IR (880nm) |
| FIFO Depth | 18 samples |
| Package Type | Module with Breakout Board |
| Dimensions | 18mm x 14mm x 2mm |
| Application | Wearable Heart Rate & SpO2 Monitoring |
Anonymous
Mar 25, 2026
Rating: 5/5
Excellent Documentation Support
Found plenty of examples online to get this running in minutes. The Seven Star Bug version seems to have good build quality on the PCB.
Anonymous
Mar 25, 2026
Rating: 5/5
Compact and Easy to Use
Love how small this breakout board is. It fits perfectly into my custom wristband design. The signal quality is impressive for the price point.
Anonymous
Mar 24, 2026
Rating: 5/5
Perfect for DIY Wearables
This module works flawlessly with my Arduino project. The I2C communication is stable, and the library support is excellent. Great value for prototyping heart rate monitors.
Anonymous
Mar 22, 2026
Rating: 5/5
Best sensor in this range
I have tried several MAX30102 modules, and this one has the most consistent readings. Shipping was fast and packaging protected the sensitive components well.
Anonymous
Mar 21, 2026
Rating: 4/5
Solid performance
Works well for detecting pulse waves. Ambient light can interfere slightly, so ensure your casing blocks external light effectively. Overall very satisfied.
Anonymous
Mar 08, 2026
Rating: 4/5
Good accuracy, needs calibration
The sensor reads data quickly. However, you need to calibrate it against a medical device if you want precise SpO2 readings. For hobbyist projects, it is more than sufficient.
Q: Does this come with a library for ESP32?
A: While we do not provide a proprietary library, this sensor is widely supported by the SparkFun MAX3010x Pulse Oximeter and Heart-Rate Sensor Library, which works perfectly with ESP32.
Q: What is the maximum sampling rate?
A: The MAX30102 supports sample rates up to 3200 Hz, though for typical heart rate and SpO2 applications, rates between 50 Hz and 100 Hz are commonly used to save power.
Q: Is this module compatible with Raspberry Pi?
A: Yes, the MAX30102 uses the I2C protocol, which is fully supported by Raspberry Pi GPIO pins. You will just need to enable the I2C interface in your system settings.
Q: Can this measure blood pressure?
A: No, this sensor is designed to measure heart rate and blood oxygen saturation (SpO2) using photoplethysmography. It cannot directly measure blood pressure.
Q: Is the LED brightness adjustable?
A: Yes, the LED current is programmable via software registers, allowing you to adjust the brightness from 0 to 25.6 mA to optimize signal quality and power consumption.
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