Finger Touch Induction Switch Circuit

Published:2011/7/21 10:06:00 Author:Joyce | Keyword: Finger , Touch , Induction, Switch | From:SeekIC

As shown in the figure, this circuit is composed of a depressurization and rectification circuit and a 555 trigger. When a hand touches the metal A, the induction signal will turn the comparator within 555 to set, K will be actuated and contact K1-1 will close; another trigger of A will release K and, disconnect K1-1.



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