6 open source boards using the W65C51NxP

Real designs built with the W65C51NxP, 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 W65C51NxP in open source designs

The gallery holds 6 open source boards using the W65C51NxP from 6 GitHub repositories; a typical one measures about 127.4 × 100.8 mm and carries around 39 components.

67% are two-layer designs, the rest use four layers or more, and 17% carry an open source license.

The most starred is 6502Rev2 by stuenkels.

What boards using the W65C51NxP are built for

W65C51NxP: common questions

Where can I find a W65C51NxP reference design?

Each of the 6 boards on this page is a real design using the W65C51NxP. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.

What parts are used alongside the W65C51NxP?

The 28C256, MAX232, W65C02SxP, 74HC00 and CY62256-70PC appear in the most repositories here.

How big is a typical board using the W65C51NxP?

The median is 127.4 × 100.8 mm, and 67% are two-layer designs.

What is the most popular open source board using the W65C51NxP?

By GitHub stars, 6502Rev2 by stuenkels, with 11 stars.

Can I simulate one of these boards using the W65C51NxP 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