Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Chip Model | MAX30102 / MAX30100 |
| Interface Type | I2C |
| Operating Voltage | 3.3V - 5V |
| LED Wavelengths | Red (660nm) and IR (880nm) |
| FIFO Depth | 18 samples |
| Sample Rate Range | 50Hz to 1000Hz |
| Interrupt Output | Yes, configurable |
| Board Dimensions | 26mm x 19mm x 4mm |
| Compatibility | Arduino, Raspberry Pi, ESP32 |
| Package Includes | 1x Sensor Module, 1x Pin Header |
Anonymous
Mar 23, 2026
Rating: 5/5
Perfect for DIY Health Projects
This module works flawlessly with my Arduino Uno. The I2C communication is stable, and the library support is excellent. I was able to get heart rate readings within minutes of connecting it.
Anonymous
Mar 22, 2026
Rating: 4/5
Solid component for learning
Great tool for understanding biometric sensing. The signal noise is manageable with a simple moving average filter. Shipping was fast and packaging protected the pins well.
Anonymous
Mar 20, 2026
Rating: 4/5
Good value but needs calibration
The hardware quality is solid for the price. However, getting accurate SpO2 readings required some tuning of the LED current settings in the code. Once calibrated, it matches my commercial pulse oximeter closely.
Anonymous
Mar 14, 2026
Rating: 5/5
Compact and efficient
Low power consumption makes this ideal for battery-powered wristbands. The FIFO buffer helps manage data processing without losing samples during heavy computation tasks.
Anonymous
Mar 05, 2026
Rating: 3/5
Works but documentation could be better
The module itself functions well, but I struggled initially because the example code provided was for a different version of the library. Had to dig through forums to find the right setup.
Anonymous
Mar 04, 2026
Rating: 5/5
Excellent sensitivity
I am impressed by how sensitive the IR detector is. It picks up pulses even through slightly thicker skin where other cheap modules fail. Great for wearable prototypes.
Q: Does this come with a ready-to-use library for ESP32?
A: Yes, this sensor is widely supported by the SparkFun MAX3010x library and Adafruit libraries, both of which are fully compatible with the ESP32 platform.
Q: Is this module compatible with 5V logic microcontrollers like the Arduino Uno?
A: Yes, the module includes voltage regulation and level shifting, making it safe to use with both 3.3V and 5V microcontrollers.
Q: What is the maximum distance the sensor can read from the skin?
A: This is a reflective sensor designed for direct contact or very close proximity (within 1-2mm) to the skin. It is not designed for non-contact measurement.
Q: How do I reduce noise in the heart rate data?
A: Ensure the sensor is snug against the skin to block ambient light. Additionally, implementing a digital filter, such as a low-pass or moving average filter in your code, will significantly smooth the data.
Q: Can this measure blood oxygen levels accurately on dark skin tones?
A: While the sensor is sensitive, accuracy can vary based on skin pigmentation and fit. We recommend adjusting the LED current settings in the software to optimize signal strength for different skin tones.
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