Sensor-Arduino Heartbeat
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This heartbeat sensor module is designed for Arduino and other microcontroller projects. It uses an infrared LED and phototransistor to detect changes in blood volume in your fingertip, producing an analog signal that pulses with each heartbeat. The module outputs an analog value between 0 and 1023, which can be read by an Arduino to measure heart rate with additional signal processing.
add_circle The Upside
- check Simple analog output for easy integration
- check Low cost and widely available
- check Good for learning and prototyping heart rate monitoring
remove_circle The Downside
- close Requires signal processing to extract accurate heart rate
- close Sensitive to ambient light and movement
- close Not a medical-grade device
Specifications & features
Key features
- check_circle Analog output signal (0-1023)
- check_circle Uses IR LED and phototransistor
- check_circle 3-pin interface: S (signal), VCC (5V), GND
- check_circle Compatible with Arduino and other microcontrollers
- check_circle Compact and easy to use
Specifications
Operating Voltage
5V
Output Type
Analog
Pins
S (signal), VCC, GND
Sensor Type
Infrared photoplethysmography
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