Product details
The MAX30102 Pulse Oximeter and Heart Rate Sensor Module is an integrated optical biosensor designed to measure heart rate and estimate blood oxygen saturation (SpO₂). It combines red and infrared LEDs, a photodetector, optical components, and low-noise signal-processing circuitry with ambient light cancellation for reliable optical sensing.
The module communicates with microcontrollers through an I²C interface, making it suitable for Arduino, ESP32, and other compatible embedded systems. Its low-power design and software-controlled shutdown mode make it ideal for wearable health-monitoring devices and portable electronics projects.
The MAX30102 features a compact design with an integrated optical cover to help reduce light interference. It is widely used in heart-rate monitoring, pulse oximeter prototypes, fitness trackers, and biomedical engineering projects.
Note: This module is intended for development and educational applications and is not a substitute for a certified medical device.
Specifications
- Sensor Model: MAX30102
- Sensor Type: Optical Pulse Oximeter and Heart Rate Sensor
- Manufacturer: Analog Devices (Maxim Integrated)
- Operating Voltage (IC): 1.8V DC
- LED Supply Voltage: Typically 3.3V on common breakout modules; check the specific board
- Input Voltage (Breakout Module): Typically 3.3V–5V, depending on onboard circuitry
- Measurements: Heart rate and estimated blood oxygen saturation (SpO₂)
- Optical Components: Red LED, infrared LED, and photodetector
- Communication Interface: I²C
- I²C Address: 0x57
- Communication Pins: SDA, SCL
- Additional Pin: INT (interrupt output)
- Ambient Light Cancellation: Supported
- Low-Power Mode: Software shutdown and low-power operation
- Logic Level: Depends on breakout-board design; verify before connecting
- Compatible Platforms: Arduino, ESP32, and other I²C-compatible microcontrollers
- Applications: Wearable devices, heart-rate monitoring projects, pulse oximeter prototypes, fitness trackers, and biomedical projects
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