ZX81

3 boards

KiCad boards from 3 GitHub repositories tagged “zx81”, the most starred first; open any of them in PCBKit.

2 layers142 × 100 mm
ZX21
fordp2002/ZX21
40 Years after the Sinclair ZX81 was released this project aims to preserve the first 4 chip computer
133 parts9BSD-3-Clause
2 layers59.8 × 42.7 mm
Zx81-external-16k
zxinfo-diy-electronics/zx81-external-ram
ZX81 External 16K/32K RAM interface with WRX hi-res support
15 parts9
2 layers75.9 × 66 mm
Zx talker
zxinfo-diy-electronics/zx-talkman
DIY Speech Interface for ZX Spectrum & ZX81 published in Ny Elektronik 1984 issue 10 page 36
34 parts4

ZX21