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Friday, August 14, 2015

How to use a PIR sensor with the Arduino

 * The sensor's output pin goes to HIGH if motion is present.
 * However, even if motion is present it goes to LOW from time to time,
 * which might give the impression no motion is present.
 *Led Turn On when Motion detect (Replace Led by Alarm)
* Send Data Serial to Pc
* Download The Code
Schematic: 
Code :
                                  Download

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