Figure 1 shows a way to control a light (or other 120-V ac appliance) with a passive-infrared (PIR) alarm sensor. The original concept was to turn a closet or shop light on whenever someone went into.

Let me introduce another simple microcontroller-based do-it-yourself circuit that detects motion and excites a light source in a flash. The “snooper” here is an ordinary passive infrared (PIR) motion ...

The Z8FS040 is a family of Zilog’s ZMOTION Detection and Control microcontrollers that features high performance eZ8® CPU core. It has a 4 kB in-circuit programmable Flash, and an internal precision ...

Where motion sensor meets LED guide light for the ultimate fusion of hands-free convenience, energy efficiency, and effortless safety. NEWPORT BEACH, CA, UNITED ...