Hardware

Here are the links to all the hardware projects.

SEGA

• SEGA Master System programmable card
• SEGA Master System programmable card (Improved second revision)
• SEGA Master System serial port
• Making a console controller DB9 connector

Other old 8bit CPUs

• Micro85, i8085-based microcomputer

Development tools

• Wire Noise - Serial port error generator

CAD / CAM / EDA

• mikroBUS addon board template for KiCAD

There is some overlap with software projects since some of these need software too.