Heart Rate Sensor

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Introduction:
A heart rate sensor is a valuable electronic device that measures the number of heartbeats per minute. It’s widely used in fitness trackers, medical devices, and DIY electronics projects to monitor health and performance.

What is a Heart Rate Sensor?
A heart rate sensor detects the pulse by measuring blood flow or electrical signals from the heart. Common types include optical sensors (PPG) that use light and electrocardiogram (ECG) sensors that measure electrical activity.

Key Features:

• Real-Time Monitoring: Provides live pulse rate data.

• Digital Output: Can connect to microcontrollers like Arduino or Raspberry Pi.

• Compact Design: Small size for wearable applications.

• Low Power Consumption: Suitable for battery-operated devices.

Applications:

• Fitness trackers and smartwatches.

• Health monitoring devices at home.

• DIY Arduino or Raspberry Pi projects.

• Sports performance tracking.

• Medical and research applications.

Tips for Using Heart Rate Sensors:

1. Place the sensor correctly on the fingertip or wrist for accurate readings.

2. Minimize movement to reduce measurement errors.

3. Use proper coding or software to read data from microcontrollers.

4. Combine with displays or apps for real-time visualization.

Conclusion:
A heart rate sensor is an essential component for health and fitness monitoring. From DIY projects to wearable devices, it allows accurate pulse measurement and promotes better awareness of physical well-being.

• Use lightweight materials (PVC, wood, or cardboard) for smooth motion.

• Calibrate servo motor angles carefully for accurate drawings.

• You can add Bluetooth/WiFi modules to control the arm wirelessly.

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