1 open source board using the Character ROM
Real designs built with the Character ROM, 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.
Board-FolkThe Character ROM in open source designs
The gallery holds 1 open source boards using the Character ROM from 1 GitHub repository; a typical one measures about 31.2 × 33.4 mm and carries around 5 components.
100% are two-layer designs, the rest use four layers or more, and 0% carry an open source license.
The most starred is TRS80I-Charmap by Board-Folk.
Character ROM: common questions
Where can I find a Character ROM reference design?
Each of the 1 boards on this page is a real design using the Character ROM. 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 Character ROM?
The median is 31.2 × 33.4 mm, and 100% are two-layer designs.
What is the most popular open source board using the Character ROM?
By GitHub stars, TRS80I-Charmap by Board-Folk, with 7 stars.
Can I simulate one of these boards using the Character ROM 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.