I’ve just remembered that there is a mistake in the original KIM-1 schematic, the one included in the user manual, that has propagated to each and every one derived from it, since Ruud Baltissen’s ...

Next steps: Get mounting holes in the right positions. Work a bit more on the footprints and solder mask to be closer to the real thing. Send to fabricate and start building it! General c...

DRC against schematic passes. I finally came up with a solution for footprints that have pads with different shapes on front and back layers. The trick is using an SMD pad for the front, another fo...

I’m making a 1:1 reproduction of a KIM-1 PCB, using the high resolution photos on Hans Oten’s website, specially the ones of the Rev. D. I’m using KiCad together with Inkscape to reproduce the foot...