PCB isolation routing is very slow, and if you’ve epoxy based PCB, it leaves soot that spoils the insulation - see here: 2W laser first test: PCB does work (with restrictions & slow...)!
PCB isolation routing is very slow, and if you’ve epoxy based PCB, it leaves soot that spoils the insulation - see here: 2W laser first test: PCB does work (with restrictions & slow...)!