1 open source board using the M6551

Real designs built with the M6551, 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.

The M6551 in open source designs

The gallery holds 1 open source boards using the M6551 from 1 GitHub repository; a typical one measures about 253 × 169.1 mm and carries around 169 components.

100% are two-layer designs, the rest use four layers or more, and 100% carry an open source license.

The most starred is Dragon32Rev3 by jimbro1000.

What boards using the M6551 are built for

M6551: common questions

Where can I find a M6551 reference design?

Each of the 1 boards on this page is a real design using the M6551. 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 M6551?

The median is 253 × 169.1 mm, and 100% are two-layer designs.

What is the most popular open source board using the M6551?

By GitHub stars, Dragon32Rev3 by jimbro1000, with 3 stars.

Can I simulate one of these boards using the M6551 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.

Browse boards by part