MAX30102 Pulse Oximeter & Heart Rate Sensor Module – SpO2 & BPM Monitoring Sensor for Arduino, ESP32, Raspberry Pi & IoT Health Projects

Technical Specifications

• Sensor Model: MAX30102
• Measurement Parameters:
  • Blood Oxygen Level (SpO2)
  • Heart Rate (BPM)
• Operating Voltage: 1.8V – 5V (3.3V recommended)
• Communication Interface: I2C (SDA, SCL)
• LEDs: Red & IR LEDs for optical sensing
• Sampling Rate: Programmable (Up to 3200 samples/second)
• Integrated Features:
  • Ambient light cancellation
  • Low-noise analog signal processing
  • Built-in temperature sensor
• I2C Address: 0x57
• Board Features: Onboard 3.3V regulator, level shifters for microcontroller compatibility
• Operating Temperature: -40°C to +85°C
• Applications: Fitness trackers, wearable devices, IoT health monitoring, biomedical sensing, Arduino heart rate projects

Technical Specifications

The MAX30102 Pulse Oximeter & Heart Rate Sensor Module is a high-performance optical sensor designed for accurate SpO2 (blood oxygen level) and heart rate (BPM) detection. Featuring powerful red and infrared LEDs, along with advanced signal processing, this module delivers reliable health monitoring for IoT and wearable electronics.

The sensor communicates via I2C, making it easy to integrate with Arduino, ESP8266, ESP32, Raspberry Pi, and other microcontrollers. With built-in ambient light cancellation, low noise circuitry, and a highly sensitive photodetector, the MAX30102 provides clean and stable readings even in challenging environments.

Perfect for health monitoring projects, fitness devices, biomedical research, student projects, and DIY IoT applications, this sensor delivers fast and accurate pulse and oxygen-level data with minimal power consumption.