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PIR Motion sensor module

Out of stock
EGP75.00 EGP70.00
Out of stock

Description

DESCRIPTION

PIR “Passive Infrared”sensors allow you to sense motion, almost always used to detect whether a human has moved in or out of the sensors range

How to Use PIR Sensor

The PIR sensor have 3 pins:

Power:       3-5 VDC

Output:      High  (when motion detected)

                    Low (no motion detected)

Ground:    connected to ground

The output pin will go “high” to 3.3V and light up the LED when motion detected.

Specifications:

Input Voltage:                 DC 3-5V

Output signal:                 3.3V (motion detected-output high)

Detection Angle:             110 degree

Detection Angle:             max 7 m

How Does The PIR Sensor Work

The PIR sensor itself has two slots each one of them is made of a special material that is sensitive to infrared. When a warm body like a human or animal passes by, it first intercepts one half of the PIR sensor.  This causes a positive differential change between the two halfes.  These change pulses are what is detected.

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