Merv's Brain Dump
When you build it, it teaches.
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Calculations
Frequency
Error (ppm) = ((measured - expected) / expected) * 1,000,000
Voltage and current
V = I * R
P = V^2 / R
Reactance
Xc = 1 / (2 * pi * f * C)
Xl = 2 * pi * f * L