détecteur de mouvement PIR

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Description : https://www.sparkfun.com/products/8630 http://www.seeedstudio.com/depot/Mini-PIR-Motion-Sensor-Module-p-1729.html his is a simple to use motion sensor. Power it up and wait 1-2 seconds for the sensor to get a snapshot of the still room. If anything moves after that period, the 'alarm' pin will go low. This unit works great from 5 to 12V (datasheet shows 12V). You can also install a jumper wire past the 5V regulator on board to make this unit work at 3.3V. Sensor uses 1.6mA@3.3V. The alarm pin is an open collector meaning you will need a pull up resistor on the alarm pin. The open drain setup allows multiple motion sensors to be connected on a single input pin. If any of the motion sensors go off, the input pin will be pulled low.
Emplacement : A3, petits tiroirs
Lien : http://bildr.org/2011/06/pir_arduino/
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