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Power Line Monitor (Arduino/Processing)
This is phase 1 of a Power Line Monitor Project. Four potentiometers are used to simulate change in the AC line variables, voltage, current, frequency and phase angle difference between voltage and current. These are the primary variables used to calculate the remaining ones in the software. THD (total harmonic distortion) is not calculated at this time, but is fixed to 1% just for representation. The next phase of the Project will be implementing the necessary hardware and software in the Arduino code to measure the primary variables for real and send them to the computer. This was a quick built, so if you spot any problems, please let me know. Built with Processing 1.5.1 and Arduino Uno.
video here: 