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non-isolated, from high side? How high voltage?
Sampling ac signal (what frequency range) or for power 50/60Hz rms/peak analog processed and presented to the uC ADC?
For example there are cases where a bulb and photo-resistor or resistor and temp. sensing would do.
There are current sensing...
Gerber file viewer, (plus excellon and ipc356) Free download.
Browsing and identifying nets, components and pins, verification.
requires: Direct 9c or more, renders 60fps. Windows (or Wine)
https://www.ZofzPCB.com
https://www.zofzpcb.com/Cap2D.html
There is a simple 2D capacitance solver, designed to solve capacitance of 2 planar plates/layers of any shape.
input: rgb png bitmap, 2 channels (red and green) define shape of top and bottom plates.
(black, red, green, yellow) = ( - _ =)
Solver: simple...
https://www.zofzpcb.com/Cap2D.html
There is a simple resistance solver, for uniform square resistance.
Input: 4 color png (isolator=black, conductor=white, electrodes=red, blue)
Solver: simple Gaussian Elimination, therefore amount of PC memory is the limiting factor.
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