LOW_CURRENT_TOUCH_SWITCH

Published:2009/6/24 22:57:00 Author:May | From:SeekIC

Touching the on contacts with a finger brings pin 3 high, pair and supplying power to the load (transistor radio etc). transistor, and Q2 is chosen for the current required by the turning on the Darlington Q1 must be a high gain load circuit.



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