2 layers

Overvoltage
fix-6-t-8/defender-odyssey
Re-creating from scratch a Defender arcade cabinet. Modern electronics, actual PCBs, vintage widgets and CRT.
20 parts
Boards in 1 GitHub repository, designed in KiCad, that use the MPSA55 by Jiangsu Changjing Electronics Technology (CJ) (-55℃~+150℃ 1 PNP 100 100nA 250mV 4V 500mA 50MHz 60V 625mW PNP TO-92 Bipolar (BJT) ROHS). See how each wires it, with its parts, size, README and files; the MPSA55’s symbol, footprint and pinout are on its own page.

fix-6-t-8/defender-odyssey
Re-creating from scratch a Defender arcade cabinet. Modern electronics, actual PCBs, vintage widgets and CRT.