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AC Volt/Amp Meter with Web Interface

AC Volt/Amp Meter with Web Interface

By Mark Bishop    View In Digital Edition  


Work areas usually have multiple power strips ganged together and connected to the same outlet. Various devices are connected to these strips, including computers, lights, coffee pots, space heaters, etc. Environmentally conscious persons ask, “How much power does my work area consume?” Safety conscious persons ask, “Am I overloading my circuit?” Calculating the answers requires two basic measurements: the voltage supplied to the circuit, and the amperage consumed by the circuit. Measuring AC voltage and, particularly, amperage with a multimeter is a potentially dangerous diagnostic for laypersons.

Wouldn’t it be nice to have a self-contained volt/amp meter that displays the values on a webpage?

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Downloads

201904-Bishop.zip

Code
Amp Calibration file
Scripts as Word docs



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