10 open source boards using the WD65C02
Real designs built with the WD65C02, 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.
6502 adapter
hoglet67
49 × 75.2 mm57 parts2LGPL-3.0109
6502 adapter
49 × 75.2 mm57 parts2LNo license66
AVR/Arduino6502-Computer
The-Invent0r
188.3 × 114.3 mm34 parts2LNo license31
6502 adapter
sharpie7
49 × 75.2 mm57 parts2LGPL-2.019
6502 adapter
DopierRex
49 × 75.2 mm57 parts2LGPL-3.010
AVR/Arduino6502 Computer
DomAtTheShack
216.6 × 144 mm74 parts2LNo license0
6502 adapter
49 × 75.2 mm57 parts2LGPL-3.017
BE6502
89Mods
139.2 × 112.3 mm60 parts4LMIT3
AVR/Arduino6502 DebugBoard
199.6 × 114.2 mm64 parts2LNo license0
5v PSU
132 × 104.5 mm21 parts2LNo license0
The WD65C02 in open source designs
The gallery holds 10 open source boards using the WD65C02 from 8 GitHub repositories; a typical one measures about 90.5 × 89.8 mm and carries around 57 components.
90% are two-layer designs, the rest use four layers or more, and 50% carry an open source license.
The most starred is 6502 adapter by hoglet67.
Parts used alongside the WD65C02
Microcontrollers on boards using the WD65C02
What boards using the WD65C02 are built for
WD65C02: common questions
Where can I find a WD65C02 reference design?
Each of the 10 boards on this page is a real design using the WD65C02. 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 WD65C02?
The 74LV1T125, 74LVC4245, 74HC00, 28C256 and 6551 appear in the most repositories here.
Which microcontrollers do boards using the WD65C02 use?
Most are built on AVR/Arduino (3).
How big is a typical board using the WD65C02?
The median is 90.5 × 89.8 mm, and 90% are two-layer designs.
What is the most popular open source board using the WD65C02?
By GitHub stars, 6502 adapter by hoglet67, with 109 stars.
Can I simulate one of these boards using the WD65C02 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.