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Versatile Volt, Ampere, and Power Meter using Arduino

Versatile Volt, Ampere, and Power Meter using Arduino

Multimeters are suitable for many purposes. But usually, they only measure one value at a time. If we deal with power measurements, we need two multimeters, one for voltage and the second for Ampere. And if we want to measure efficiency, we need four multimeters. Here we will build small and inexpensive meters to do

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