Finger heartbeat measuring sensor module for Arduino KY-039

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Item Number

KY039

Item Condition

New

Price

£2.50 (inc VAT £3.00)

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Finger heartbeat measuring sensor module for Arduino and other microcontroller projects

This module uses a bright IR LED and a phototransistor. When a finger is placed between the LED and transistor you will get an analogue output of light intensity that passes through the finger, this will vary every time the heart beats and indicate heart rate.

Voltage : 5VDC

Size 19x15mm

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