When I was developing the Super SpartaDOS Cartridge I ran into having to troubleshoot the connections and signals. One of the things I had to check was whether or not I was actually getting the correct signal on the cartridge edge connector. ie did I have the cartridge slot pinout correct and the pcb facing the correct direction etc.
First I checked to see if someone else had created something I could use. Hate to reinvent the wheel. I found that electrotrains had done something very similar to what I wanted to do. His board is offered on OSH Park . While it looks nice, I wasn’t willing to pay their asking price. And it seemed unfinished and small. I like finished and bigger. 🙂
In true tinker fashion I expanded on electrotrain’s original breakout pcb idea, adding additional height to clear the 600/800XL cartridge flaps. (Sorry 1200XL users it’s still too short for effective use on your machines, but if there is a demand I’ll definitely try to fulfill it.) I also decided to add a passthru pins and edge card connector on top to allow you to insert a cartridge undertest.
The pcb currently measures 50 mm W X 95 mm H X 1.6 mm D