2 open source boards using the Z84C40
Real designs built with the Z84C40, from public GitHub projects: a quick way to see how others power, decouple and connect it. Each board comes with its KiCad files, full parts list and a render — and you can simulate its firmware on HardLabs.
Easy z80
skiselev
100 × 100 mm58 parts2LGPL-3.0177
RetroZ SBC for S80
formix
127 × 73.7 mm48 parts2LApache-2.022
The Z84C40 in open source designs
The gallery holds 2 open source boards using the Z84C40 from 2 GitHub repositories; a typical one measures about 113.5 × 86.8 mm and carries around 53 components.
100% are two-layer designs, the rest use four layers or more, and 100% carry an open source license.
The most starred is Easy z80 by skiselev.
What boards using the Z84C40 are built for
Z84C40: common questions
Where can I find a Z84C40 reference design?
Each of the 2 boards on this page is a real design using the Z84C40. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.
How big is a typical board using the Z84C40?
The median is 113.5 × 86.8 mm, and 100% are two-layer designs.
What is the most popular open source board using the Z84C40?
By GitHub stars, Easy z80 by skiselev, with 177 stars.
Can I simulate one of these boards using the Z84C40 before building it?
Yes. HardLabs turns a board's netlist and BOM into a working simulation, so you can boot and test firmware against it with no hardware on your desk.