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Description
Features:
| CATEGORY | SPECIFICATIONS |
|---|---|
| Product Type | IR Finger Pulse Heart Rate Sensor Module |
| Technology | Optical pulse detection (Infrared transmission method) |
| Working Principle | Measures pulse by detecting light changes through fingertip blood flow |
| Light Source | Bright Infrared (IR) LED |
| Receiver | Phototransistor |
| Signal Method | Phototransistor resistance changes with blood volume pulse |
| Output Indication | Red LED flashes with each detected heartbeat |
| Detection Method | Transmission-type optical sensing (finger placed between LED and sensor) |
| Circuit Design | High-resistance biasing resistor (R1) for improved sensitivity |
| Sensitivity Control | Adjustable resistor value for optimal signal tuning |
| Noise Handling | Shielding required to block ambient light interference (50/60 Hz lighting noise) |
| Interference Concern | Susceptible to indoor lighting flicker noise |
| Key Features | Simple design, real-time pulse detection, low-cost optical sensing |
| Performance Consideration | Requires proper shielding for accurate readings |
| Applications | Heart rate monitoring, educational electronics, DIY biomedical projects |
| Use Case | Finger-based pulse detection systems |
Package Includes:
1 x Finger Measuring Heartbeat Sensor Module
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