Power Quality Meter using Arduino

Arduino UNO project, Power Quality Meter, someone would call it’s PQ Monitor or PQ Analyzer. I had already published one  blog  devoted RMS voltage measurements on full band  20 – 20 000 Hz  audio signals. ( Following my own style, I’d refer to already published materials whenever it’s possible ).  This time measurements performed on single AC Power Grid frequency. ( 60 Hz in Canada. Algorithm would works w ...

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