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<blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr>Originally posted by haklesup: The control board in a UPS does most of these things. Measure Frequency, Voltage of mains and output, Load usage and a few other parameters about the battery like temp...

I'm currently trying to figure out the best way to monitor current usage around my house. <p>What i have planned at the moment is to use some kind of serial ADC to poll some non contact current sensing coils around each circuit in my sub panel, and have that data logged into a computer to graph etc....