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 ...

When the sensor picks up something moving, it will trigger an IFTTT event. It only takes three wires to get the electronics connected, but [Eric] has still gone ahead and provided a wiring diagram ...