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by mmcnees
Mon Feb 20, 2006 9:10 am
Forum: General Discussion
Topic: Current sensor
Replies: 17
Views: 3523

Current sensor

I would like to know where I can find schematics to build a very cheap current sensor. The reason it needs to be cheap is because I'll probably only use it once. What I'm tring to do is, monitor my electric hot water heater(thanks to high energy cost). I'm trying to figure out how long it is running...