WIDE_RANGE_TIMER_lMINUTE_TO_400_HRS

Published:2009/6/18 3:33:00 Author:May | From:SeekIC

This ultra wide range timer uses a 555 timer base, two 4017Bs and a 4020B that act as frequency dividers that can be switched in and out. S1 is a SP3T range switch.



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