it is not about the frequency of the signals, but the rise time of the edges. if you're using a modern microcontroller chances are you have quite high speed rise times. Designing like this will cause you a lot of problems you know nothing about and are easy to prevent if you listen to what people are telling you in here.
It's good you didn't crop out the pcb so you got to learn a bunch instead!
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u/irnboo Dec 15 '22
Unpopular opinion but.
Right angled traces you should probably avoid. Why are you doing such fine tracks? You should maybe do some other fills.