Motion Sensor Switch for alarm light or water sprinkler

  
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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 readymade box-type Passive Infrared (PIR) Motion Sensor unit. Such units, packed in a compact enclosure with power input..
Motion Sensor Switch for alarm light or water sprinkler - schematic




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