Saturday, 1 August 2015

Bar-graph display Digital Clock

12:59  Telli k  No comments

CD4017 is a versatile integrated circuit (and its small brother CD4022) and has infinite applications. This digital clock project is made from 8 CD4017´s plus a 7812 or 78L12 for supply. Time reference is obtained from the AC line frequency (50-60Hz) and subdivided by the CD4017´s to obtain seconds,...
By: simpletronic

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from Instructables: exploring - technology - robots http://ift.tt/1gyAtL8

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