Voice-activated delayed light switch circuit (2)

Published:2012/8/29 22:36:00 Author:Ecco | Keyword: Voice-activated , delayed light, switch | From:SeekIC

As shown in the figure, itis a voice-activated delayed light switch circuit with strong anti-jamming ability, it needs to strike hands three times in a specified time, then thelight will be lit, after delayed for some time, the light wii be automatically turned off. The delayed time of circuit is decided by C3, when C3 is 10μF, the delayed time is about 5s; when C3 is 47μF, the delayed time is about 15s; when C3 is 100μF, the delayed time is about 40s.



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