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Description
Features:
| CATEGORY | SPECIFICATIONS |
|---|---|
| Product Type | Pulse Oximeter & Heart Rate Sensor Module |
| Model | MAX30102 |
| Technology | Photoplethysmography (PPG) |
| Integrated Components | Red LED, Infrared LED, photodetector, optical system, low-noise circuitry |
| Working Principle | Measures light absorption changes in blood flow to determine HR & SpO₂ |
| LED Wavelengths | 660nm (Red), 880nm (Infrared) |
| Signal Type | Light reflection signal |
| Output Interface | I2C (I²C-compatible communication) |
| Interface Voltage | 1.8V – 3.3V – 5V (selectable) |
| Power Supply | 1.8V (core) and 3.3V–5V (LED supply) |
| Power Consumption | Low power, near-zero standby current (software shutdown supported) |
| Noise Handling | Ambient light suppression with integrated optical shielding |
| Mounting | Assembly holes: 0.5 × 8.5 mm |
| Measurement Points | Finger, earlobe, wrist |
| Compatibility | Arduino, KL25Z, and other microcontrollers |
| Communication Pins | SCL (clock), SDA (data), INT (interrupt) |
| Power Pins | VIN (1.8–5V), GND |
| Additional Pins | RD (Red LED GND), IRD (IR LED GND), 3-bit pad (logic level selection) |
| Special Features | Glass cover for improved accuracy and light interference reduction |
| Applications | Heart rate monitoring, blood oxygen (SpO₂) measurement, wearable devices |
| Use Case | Health monitoring systems, fitness trackers, biomedical projects |
Package Includes:
1 x Heartbeat Sensor Module
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