KY-039 5V Finger Detection Heartbeat Sensor Module Detector

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Delivery: Standard (€3.95) | Wed 24th - Mon 29th Jun

Sold by: Mini Mall Trading

Returns: 30 days

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Description & Details

KY-039 5V Finger Detection Heartbeat Sensor Module Detector Description

More informations: http://myosuploads3.banggood.com/products/20181115/20181115023952Project12pulsemonitortest.rar Feature: 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. With a very high resistance resistor R1, because most of the light through the finger is absorbed,it is desirable phototransistor sensitive enough.Resistance can be selected by experiment to get the best results. The most important is to keep the shield stray light into the phototransistor. For home lighting that is particularly important because the lights at home mostly based 50HZ or 60HZ fluctuate, so faint heartbeat will add considerable noise. Package includes: 1 x Finger Detection Heartbeat Sensor

Details

OPC PCKMVYB
Codes 0773823743569 (EAN)

Product Images

KY-039 5V Finger Detection Heartbeat Sensor Module Detector 1
KY-039 5V Finger Detection Heartbeat Sensor Module Detector 2
KY-039 5V Finger Detection Heartbeat Sensor Module Detector

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Dispatched from: China
(114 reviews)
1 month
30 Days
Free Returns Yes
€13.00
+€3.95 Delivery
Est. Delivery: 24th-29th Jun
€16.95
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