TSalwach edited this page Jan 16, 2016 · 15 revisions

I want to have real time power measurement of my home in my smartphone. I've got one some long time ago, it was counting time between pulses on energy meter. It was sufficient, but when I upgraded my home to three phase AC I thought it would be nice to have some new gadget, so I've built one.

Design considerations

Current and Voltage plots