Test circuit for new use optical isolation approach

I made this test board to try new components for my project. The team at PCBWay was always willing to check my work and don't let any mistakes slip through. I also tried a red PCB for the first time; it's very cool, but for me it has one drawback: if you need to adjust tracks, the copper below looks a lot like the PCB, so it's very hard to work with that. For development, I would pick another colour, but once the design is stable, red is very nice.

Jan 12,2026
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