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 ...

Prior knowledge needed: ECEA 5340 Sensors and Sensor Circuit Design and ECEA 5341 Motors and Motor Control Circuits. Understand how to specify the proper pressure, force, strain, position, motion, ...

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 ...