PIR Motion Sensor Module (study and reverse engineering)

PIR Motion Sensor module are used for control lights or for alarm systems. I study a PIR module for light control.

I try to made reverse engineering, but quickly I found the schematic on net in russian article named Пассивный инфракрасный датчик движения .

Schematic is made fron two big parts:

  • power supply
  • pir detecter and & control light

And for connexion:

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