4 layers100 × 76.1 mm

OpenSpandPico2XL
paulczy/OpenSpand
The OpenSpand is an all-in-one expansion solution for Sinclair ZX81 computers and clones. Functionally very similar to ZXpand+, with more and extended functions.
30 parts
Open-source boards designed in KiCad by paulczy on GitHub, from 1 repository. A board’s address here is its repository’s there.

paulczy/OpenSpand
The OpenSpand is an all-in-one expansion solution for Sinclair ZX81 computers and clones. Functionally very similar to ZXpand+, with more and extended functions.