Description of MAX30100 Pulse Oximeter Heart Rate Sensor Module
Quick Overview
The MAX30100 Pulse Oximeter and Heart Rate Sensor Module is a fully integrated solution for bio-sensing. It combines two LEDs, a photodetector, optimized optics, and signal processing to provide heart rate and SpO2 (Blood Oxygen Saturation) levels. It's widely used in medical devices, fitness trackers, and various health monitoring applications.
How It Works
The sensor uses two LEDs, one emitting red light and the other emitting infrared light. Light from these LEDs penetrates the skin and is absorbed by blood. The sensor's photodetector captures the light that is transmitted or reflected back. Signal processing algorithms analyze the difference in absorption between the oxygenated and deoxygenated blood to calculate SpO2 and heart rate.
Technical Specification
- Operating Voltage: 1.8V to 3.3V
- Output: I2C interface
- Wavelength: 660nm (Red), 905nm (IR)
- Sampling Rate: Up to 100Hz
- Accuracy: SpO2 ±2%, Heart Rate ±1 bpm
- Operating Temperature: -40°C to +85°C
Key Features
- Dual Functionality: Measures both SpO2 and heart rate.
- Low Power Consumption: Suitable for battery-powered applications.
- I2C Interface: Simplifies integration with various microcontrollers.
- High Accuracy: Advanced algorithms ensure reliable readings.
Application
- Medical-grade pulse oximeters
- Wearable fitness trackers for heart rate and oxygen level monitoring
- Sleep apnea detection systems
- STEM educational kits focusing on health tech and biometrics
- Remote health monitoring systems
Summary
The MAX30100 Pulse Oximeter Heart Rate Sensor Module is a compact device designed for measuring heart rate and oxygen saturation (SpO2) levels in the blood. It uses optical sensors to detect changes in blood volume and oxygen saturation. This module is commonly used in wearable health devices and medical applications for monitoring vital signs non-invasively.
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