Bell of the Bicycle (the 1st)

Published:2011/6/6 5:27:00 Author:Felicity | Keyword: Bell of the Bicycle (the 1st) | From:SeekIC

Work of the circuit The circuit consists of monostable trigger and voice circuit. (It is showed in picture 7-167.). When you turn on the power switch Sthemonostable trigger is in the stable condition. Loudspeaker BL makes no sound. When our hand touches pole A the body inducted signal is supplied to IC1’s pin 2 through C1. In this situation loudspeaker BL makes sound.



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