Open-source boards designed in KiCad by sittner on GitHub, from 2 repositories. A board’s address here is its repository’s there.
sittner/tinyfs
TinyFS is a minimalist filesystem designed for extremely constrained embedded systems. The initial reason to create this project was the attempt to build a filesystem that can run on a ZX81 without any additional…
sittner/sl56660
The Fairchild SL56660 is one of the small set of logic building blocks the Cray-1 supercomputer (1976) was made of: a dual NAND gate (one 5-input, one 4-input) with complementary outputs, implemented in emitter-coupled…