Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Interface Protocol | I²C (Inter-Integrated Circuit) |
| Operating Voltage | 3.3V to 5V DC |
| LED Wavelengths | 660nm (Red) and 880nm (IR) |
| FIFO Buffer Depth | 16 Samples |
| Max Sampling Rate | 3200 Hz |
| Microcontroller Compatibility | STM32, Arduino, ESP32 |
| Package Style | Breakout Module with Headers |
| Operating Temperature | -20°C to +70°C |
| Current Consumption | 600uA (Typical) |
| PCB Dimensions | 20mm x 20mm x 5mm |
Anonymous
Mar 13, 2026
Rating: 4/5
Good hobby sensor
Data looks consistent though needs filtering. Not for medical use but great for learning embedded systems.
Anonymous
Mar 03, 2026
Rating: 5/5
Great for STM32 projects
Works perfectly with my STM32 board. I2C communication was easy to set up using standard libraries.
Anonymous
Feb 20, 2026
Rating: 4/5
Requires calibration
Good module but you need to tune the LED intensity for best results depending on skin tone.
Anonymous
Feb 17, 2026
Rating: 5/5
Solid build quality
Pins are well soldered. Library examples worked out of the box with minimal configuration.
Anonymous
Jan 31, 2026
Rating: 5/5
Fast shipping and works
Tested with Arduino Uno. Reads heart rate reliably during rest conditions.
Q: Does it work with 5V logic microcontrollers?
A: Yes, the breakout module includes a voltage regulator and level shifting for 5V compatibility.
Q: Is this device medical grade certified?
A: No, this module is intended for hobby, educational, and development use only. It is not certified for medical diagnosis.
Q: Can it measure SpO2 accurately without calibration?
A: It provides raw data for estimation. Algorithm calibration is required for accurate SpO2 readings.
Q: What is the default I2C address?
A: The default I2C address is typically 0x57, but please refer to the specific datasheet for confirmation.
Q: Are there ready-made libraries available?
A: Yes, multiple open-source libraries exist for Arduino, STM32, and ESP32 platforms.
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