Timing doorbell circuit diagram with CW9300

Published:2011/4/21 21:40:00 Author:muriel | Keyword: Timing doorbell | From:SeekIC

Timing doorbell circuit with CW9300: As shown is Timing doorbell circuit diagram with CW9300. It has timing function, when we push the button,it will play musicforsome seconds, if we re-push the button immediately after loosing it, the doorbell will not ring either.



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