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  • Security Light & Switch with PIR Sensor Update Date: 2013-04-19 07:31:47  Visits: 232   Score: 0  Comment()

    This is a simple update to Mr. Hareendran’s PIR Sensor Security Light circuit. It has a shortcoming limits the relay voltage to approximately 3.3V. While this may function with some 5V relays, it will not function with all. The nature of...

  • Motion Sensor Switch for alarm, light or water sprinkler Date: 2013-04-09 07:36:49  Visits: 231   Score: 0  Comment()

    The Motion Sensor Switch circuit is a motion sensor controlled automatic water sprinkler but you can easily add an alarm/light function too. Before beginning the construction contact your nearest electronics component vendor and procure a r...

  • PIR Motion Sensor Circuit Schematic Date: 2013-04-07 07:32:40  Visits: 598   Score: 2  Comment()

    Moderately priced Passive Infrared PIR Sensor modules are now widely available. By using these readymade and pre-configured PIR sensors, even an average electronics hobbyist can construct his/her own Motion Sensor Unit. The one evening proj...

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