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Public designs

4 boards
c128-mmu-256k-exp
@ytmytm

C128 MMU 256K RAM expansion

schematicpcbbomconnectorresistor
MIT00Jul 9, 2026
z80computer-release
@armcoderbr

A Z80-based computer for nostalgic enthusiasts. With video output!

schematicpcbbomresistorcapacitordiodeIC
GPL-2.000Jul 9, 2026
8bit-adder
@lopfi

A DIY 8 Bit Adder from single transistors

schematicpcbbomresistorconnectorledtransistor
MIT00Jul 9, 2026
mycpu
@fortinsylvain

Home brew CPU Hardware with 1-bit ALU implementation using 74LSxx, a micro-code and assembler coded in C#.

schematicpcbbomcapacitorresistorconnectorcrystal
MIT00Jul 9, 2026
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