To wire the motion sensor light, first identify the hot (black), neutral (white) and ground (bare or green) wires in the circuit wire and in the fixture. Twist the hot wires together clockwise ...

As an example, [Circuit Valley] has an IKEA Vallhorn motion sensor for a teardown, it’s as you might expect, a passive infrared sensor (PIR) sensor coupled with a Zigbee interface. Inside the ...