ON_OR_OFF_CONTROL

Published:2009/7/12 23:19:00 Author:May | From:SeekIC

Circuit shows two ways of connecting 555 timer IC, for switching load on or switching load off at end of timing interval determined by setting of 5-megohm pot (1 to 60 s) and initiated by manual start switch. If desired, both loads can be connected to circuit for simultaneous switching.-E. R. Hnatek, Put the IC Timer to Work in a Myriad of Ways, EDNMagazine, March 5, 1973, p 54-58.



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