MAX30102 Pulse Oximeter & Heart Rate Sensor Module – I2C for Arduino, ESP32 & Raspberry Pi
The MAX30102 Pulse Oximeter and Heart Rate Sensor Module is a compact, low-power optical sensor designed for measuring heart rate and estimating blood oxygen saturation (SpO2) in electronics and wearable technology projects.
Featuring integrated red and infrared LEDs, photodetectors, optical components, and low-noise signal processing, the MAX30102 provides a convenient solution for developing pulse monitoring systems, fitness devices, and educational electronics projects.
Its I2C communication interface allows easy integration with compatible microcontrollers and development boards, including Arduino, ESP32, and Raspberry Pi.
Key Features
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Heart Rate Monitoring: Detects pulse signals using optical sensing technology.
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Blood Oxygen Measurement: Supports SpO2 estimation with appropriate software algorithms.
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Integrated Optical Sensor: Includes red and infrared LEDs, photodetectors, and optical components.
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I2C Communication Interface: Simplifies communication with compatible microcontrollers.
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Low Power Consumption: Suitable for portable and battery-powered projects.
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Adjustable Sampling Rate: Allows customization for different applications.
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Programmable LED Current: Supports power consumption and signal optimization.
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Ambient Light Rejection: Helps reduce interference from surrounding light.
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Compact Design: Ideal for wearable devices and small electronics projects.
Technical Specifications
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Sensor IC: MAX30102
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Sensor Type: Optical heart rate and pulse oximetry
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Communication Interface: I2C
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LEDs: Integrated red and infrared
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Sensor IC Supply Voltage: 1.8V
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LED Supply: Separate supply, as required by the sensor design
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Operating Temperature: -40°C to +85°C (sensor IC)
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Power Management: Programmable sampling rate and low-power shutdown mode
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Measurement Outputs: Optical data for heart rate and SpO2 calculations
Note: The sensor IC's supply requirements are different from the input voltage accepted by some MAX30102 breakout boards. Verify the specific board's power circuitry and pinout before connecting power.
Applications
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Arduino and ESP32 projects
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Heart rate monitoring prototypes
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Pulse oximeter development
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Wearable electronics
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Fitness monitoring prototypes
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Raspberry Pi sensor projects
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STEM education and electronics experiments
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Biomedical engineering demonstrations
Package Includes
Important Notes
This module requires a compatible microcontroller and appropriate software to process optical measurements.
For educational, research, and development use only. This product is not a certified medical device and should not be used for medical diagnosis, treatment, or clinical monitoring.
