[time-nuts] Line Frequency

M. Simon msimon6808 at yahoo.com
Sun Feb 9 08:53:33 EST 2014


This probably came up during the recent discussion of Line Frequency Monitoring but I may have missed it. 


Does any one have a circuit (tested - operational) for monitoring line frequency? I'd like something that checks zero crossing so that it is relatively insensitive to line voltage variations. 


Simon

 
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