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This is a panel that uses a VFD driver Ref: PT6311, but today we try to focus on a way to power the system. There are other ways, but the idea is to allow the reuse of older materials.
The most difficult thing to obtain is the transformer, but we can use more than one and of course with different voltages at the outputs as long as they are close to what we want: 6~12V for +5V and 15~30V for the negative voltage.
Note that this power supply method is for VFD's that use negative voltage.
I keep the basic presentation with hand's draw, is not beautiful but I hope it work.
Code link: github.com/ems...
Sorry but I me not able to do the video more short!