Get Pir Sensor Light Wiring Diagram Background. Pir sensor has two different slot which are sensitive to infrared light/energy. The two halves are wired up so that they cancel each other out.
How To Install Motion Sensor Security Light | TcWorks.Org from www.fixya.com The pir sensor can detect movement up to 30′ away at 180 degrees. The two halves are wired up so that they cancel each other out. Some pir sensor boards have a jumper which will allow you to have the unit send a single pulse when the motion is detected or send a single repeatedly as long as motion is detected.
Most pir's are single wire and they require connecting to vcc, gnd and one gpio.
Wide range on input voltage varying from 4.v to 12v (+5v recommended). The pir motion sensor is ideal to detect movement. Along with the pyroelectic sensor is a bunch of supporting circuitry, resistors and capacitors. Some pir sensor boards have a jumper which will allow you to have the unit send a single pulse when the motion is detected or send a single repeatedly as long as motion is detected.
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