RMS Voltage Sensor Part 1: Design
We build an RMS voltage sensor using a ZMPT101B and an Arduino to measure and chart the voltage of your wall outlet. We explain what RMS is, what typical ranges of wall outlet voltage, and solve some challenges in configuring and calibrating the voltage sensor. We also show how to stream the resulting data into Excel Data Streamer, and record a long duration CSV file for analysis and plotting.
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