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Description
Features:
| CATEGORY | SPECIFICATIONS |
|---|---|
| Product Type | Pulse Oximeter & Heart Rate Sensor Module |
| Model | MAX30100 (Heart Rate Click module) |
| Technology | Photoplethysmography (PPG) |
| Working Principle | Measures light absorption changes in pulsing blood using red + IR LEDs |
| LED Types | Red LED and Infrared (IR) LED |
| Detection Method | Optical absorbance through fingertip blood flow |
| Signal Processing | Low-noise analog front-end with integrated processing |
| Output Interface | I2C (mikroBUS compatible) + INT pin |
| Operating Voltage | 1.8V – 5.5V (3.3V typical operation) |
| Power Consumption | Ultra-low power for wearable applications |
| Sampling Performance | High sample rate with fast data output |
| Noise Handling | Ambient light cancellation and high SNR for motion resistance |
| Key Features | Integrated LEDs, photodetector, analog processing unit |
| Measurement Type | Heart rate and blood oxygen (SpO₂) |
| Sensitivity Limitations | Affected by motion, temperature changes, and excessive finger pressure |
| INT Pin Function | Programmable interrupt output |
| Communication Protocol | I2C interface (SCL, SDA) |
| Pins | VIN, SCL, SDA, INT, IRD, RD, GND |
| Applications | Medical monitoring devices, fitness trackers, wearable electronics |
| Use Case | Finger-based pulse oximetry and heart rate measurement |
Package Includes:
1 x MAX30100 Pulse Oximeter Heart Rate Sensor Module
Circuit Diagram:
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