This is due mostly to the two-layer nature of most PCBs, and turn making a homemade Arduino board an exercise in frustration and improving your vocabulary of four-letter words.

One of the softer and more porous wheels would probably do the trick, IIRC what we used for grinding copper and brass EDM electrodes on manual surface grinders, a ASA SC/60J probably would be a ...

This Single-layer PCB Designed and Fabricated is my project in my college foundation lab - IoT in the first semester. First, we used EasyEDT Online software to design the PCB and Download the Gerber ...