yea i should have clarified: there’s no good way of doing it without mapping out the routes of the traces or scanning the board so pain in the neck = too much work
edit: how much space do you need/for what? even the standard om6 trim is pretty small so something like a lmao would be overkill...
it should be possible to relocate the nand but compared to a 4 layer board it be a pain in the neck. your best options would be to find a way to cram in whatever you need or use a 4 layer board
i doubt this has anything to do with your problem but your solder joints look a bit cold and there’s huge blobs. as good practice use lots of flux so that the joint ends up looking shiny, and also use enough solder than the wires are properly covered, but not so much that there’s large blobs
for your first question, how are you currently removing the u9 and u10 ics?
for your second question, are you using voltage regulators or setting up different voltage outputs using your power supply? what is the current output of the psu?
if you are using psu outputs as regulated voltage...
i've been learning electronics, and the instructor of the course says that an oscilloscope is a must. unfortunately i don't have the money for good bench oscilloscopes. there are some cheap handheld oscilloscopes and oscilloscope kits on amazon, but i'm not sure if they're good enough. i also...