[TriEmbed] 7400 NAND Gate

Pete Soper pete at soper.us
Mon Mar 14 12:46:05 CDT 2016

A free 74HC00 will be waiting for you. Rob's SR flip flop should ring a 

Is it really the case your valve has no limit switches? So if one or the 
other motor is left on it just runs the valve to its stop and stalls?


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