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KY 039 5V FINGER DETECTION HEARTBEAT SENSOR MODULE DETECTOR FOR ARDUINO

https://www.circuit.pk/storage/app/public

KY 039 5V FINGER DETECTION HEARTBEAT SENSOR MODULE DETECTOR FOR ARDUINO

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Rs: 600 /- PKR

Availability: 1

Brand: Circuit PK

Product SKU: CKT-2385

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Sepcifications

Working voltage: 5V

Use IR LED and optical transistor to detect pulsation in fingers

Used for synthesized teaching experiment

Dimensions: 25 x 22 x 17mm

Weight: 2g

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Description
Reviews (1)

This project uses bright infrared (IR) LED and a phototransistor to detect the pulse of the finger, a red LED flashes with each pulse. Pulse monitor works as follows: The LED is the light side of the finger, and phototransistor on the other side of the finger, phototransistor used to obtain the flux emitted, when the blood pressure pulse by the finger when the resistance of the phototransistor will be slight changed. Chosing a very high resistance resistor R1, because most of the light through the finger is absorbed,it is desirable phototransistor sensitive enough.