The circuit described so far is intended for use as a night security light. It is, however, readily adapted for many other automatic/security lighting applications. Parts Used. HC-SR501 PIR Motion ...

The video demonstrates how to wire up a Passive Infrared Sensor (PIR) using 4-core security cables. All Gallagher inputs are balanced 4-state inputs and must have two 4k7 resistors wired at the device ...