The circuit described here is of a dual audio-signal tracer. An audio-signal tracer is a simple device used to troubleshoot for audio signals in...
Saturday, January 16, 2016
Sunday, January 10, 2016
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Simple Motion Detector Using NE555 Timer
This circuit is based on a passive infrared (PIR) sensor, which automatically switches on a device when someone comes close to it. It can...
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