The presented schematic shows how to build a simple PIR motion sensor. PIR sensors allow motion sensing, it is almost always used to detect whether someone has moved in or out of the sensors range.
Recently, I exhausted my stock of common passive infrared (PIR) motion sensor modules and was looking for a new one to play with. I searched the web for a small type with self-contained electronics.
IR-8 from Climax from the passive infrared motion detector is a microprocessor controlled PIR Detector. Its advanced digitalized adaptive signal processor algorithm enables the PIR detector to ...
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