❤️ HW-827 Pulse Sensor – Heart Rate Detection Module ❤️
The HW-827 Pulse Sensor is a compact and reliable module designed to measure heart rate by detecting blood flow changes through light reflection.
It integrates a green LED light emitter and a photodiode receiver with a built-in signal amplification circuit, making it ideal for Arduino, ESP32, and wearable electronics projects.
✅ Technical Specifications:
- Model: HW-827 Pulse Sensor.
- Operating Voltage: 3.3V – 5V DC.
- Output Type: Analog signal.
- Core Components: LED + Photodiode + Amplifier circuit.
- High sensitivity and stable output.
- Operating Temperature: -10°C to +60°C.
- Dimensions: ~25 × 22 × 8 mm.
- Cable: 3-pin (VCC, GND, Signal).
- Approx. Weight: 10 g.
🔹 Key Features:
✔ Accurate heart rate measurement from fingertip or earlobe.
✔ Compatible with Arduino, ESP32, ESP8266, and Raspberry Pi.
✔ Built-in amplification for clean and stable signal output.
✔ Compact and lightweight design for wearable use.
✔ Ideal for health, fitness, and biomedical research projects.
📌 Common Applications:
- Heart rate monitoring systems.
- Smartwatches and fitness trackers.
- Arduino and Raspberry Pi health projects.
- Bio-signal monitoring and medical experiments.
- Research and educational demonstrations.