The MAX30100 Pulse Oximeter Heart Rate Sensor Module is a compact, low-power optical sensor designed for real-time heart rate and blood oxygen saturation (SpO2) monitoring. Ideal for wearable applications, this module combines two LEDs (red and infrared), a photodetector, optical elements, and low-noise electronics with ambient light rejection.
Designed to interface easily with microcontrollers via I2C, the MAX30100 features configurable registers, ultra-low standby current, and a built-in 16-deep FIFO to buffer output data. Its efficient and intelligent optical design ensures highly accurate data acquisition from fingertip measurements, while keeping power consumption low – perfect for battery-operated systems.
🔧 Key Features
- Integrated Pulse Oximeter and Heart Rate Monitor
- Uses red and infrared light for dual-mode sensing
- Compact module suitable for embedded systems
- I2C communication for easy MCU interfacing
- Ambient light cancellation for accurate readings
- Ultra-low power consumption for wearable electronics
- Configurable via internal registers
- FIFO buffer for efficient data handling
📐 Technical Specifications
| Product Name | MAX30100 Pulse Oximeter Heart Rate Sensor Module |
| Sensor Type | Pulse Oximeter and Heart Rate |
| Measurement Method | Optical (Red & IR LEDs) |
| Operating Voltage | 1.8V to 3.3V |
| Interface Type | I2C (Digital) |
| Power Consumption | Ultra-Low Power |
| Standby Current | Negligible |
| Internal FIFO | 16-depth FIFO Buffer |
| Package Type | Breakout Module |
| Dimensions | Approx. 14mm x 14mm |
| LED Wavelengths | Red & Infrared (660nm & 880nm) |
| Operating Temperature | -40°C to +85°C |
| Compatibility | Arduino, ESP32, Raspberry Pi |
📌 Applications
- Fitness and health monitoring systems
- Wearable electronics and smartwatches
- DIY medical devices and prototypes
- Arduino or Raspberry Pi projects
- STEM learning kits and biosignal experiments
💡 Why Choose MAX30100?
The MAX30100 Pulse Oximeter Heart Rate Sensor Module delivers reliable bio-signal measurement while remaining compact and power-efficient. Perfect for hobbyists, developers, and educators building next-gen wellness tech solutions.
📦 Package Includes
- 1 × MAX30100 Pulse Oximeter Heart Rate Sensor Module












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