2 layers63.3 × 57.2 mm

KiCad boards from 3 GitHub repositories tagged “diagnostic-tool”, the most starred first; open any of them in PCBKit.


tebl/C64-BlinkenDiag
A version of the DIAG64cart, this mainly changes components for the ones I've already got and adds a lot of LEDs. It's a blinkenlight project for diagnostic usage.

e-cite/arduino-ehz-diag
Circuit, PCB and software for a smart meter (EHZ EDL-21) diagnosis tool based on Arduino UNO


