Musical Bell with Touch Switch

Published:2013/3/25 3:43:00 Author:Ecco | Keyword: Musical Bell, Touch Switch | From:SeekIC

Here the circuit diagram of musical bell with touch switch and timer. This circuit is designed around CMOS IC CD4011 which work as the delay timer and IC UM66 which is well-known musical sound generator. When touch plates are bridged (touched) by hand for a moment, the circuit will start to produce music sound. Just after a short period (few seconds), the musical sound from this circuit will automatically stop.



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