Pulse Sensor


The working of the Pulse/Heart beat sensor is very simple. The sensor has two sides, on one side the LED is placed along with an ambient light sensor and on the other side we have some circuitry. This circuitry is responsible for the amplification and noise cancellation work. The LED on the front side of the sensor is placed over a vein in our human body. This can either be your Finger tip or you ear tips, but it should be placed directly on top of a vein.

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  • Biometric Pulse Rate or Heart Rate detecting sensor
  • Plug and Play type sensor
  • Operating Voltage: +5V or +3.3V
  • Current Consumption: 4mA
  • Inbuilt Amplification and Noise cancellation circuit.
  • Diameter: 0.625”
  • Thickness: 0.125” Thick

Warning: This sensor is not medical or FDA approved. It is purely intended for hobby projects/demos and should not be use for health critical applications.


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