5 open source boards using the 65C22
Real designs built with the 65C22, 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-wozmon
tsanders30004
183.7 × 131.3 mm38 parts2LNo license15
AVR/Arduino6502 ACE Board
acwright
335 × 250 mm183 parts2LCERN-OHL-P-2.012
BE6502
89Mods
139.2 × 112.3 mm60 parts4LMIT3
ACE RAM Patch
46 × 22 mm3 parts2LCERN-OHL-P-2.012
Chihuahua
zuiko21
97.8 × 72.4 mm33 parts2LMIT23
The 65C22 in open source designs
The gallery holds 5 open source boards using the 65C22 from 4 GitHub repositories; a typical one measures about 139.2 × 112.3 mm and carries around 38 components.
80% are two-layer designs, the rest use four layers or more, and 80% carry an open source license.
The most starred is Chihuahua by zuiko21.
Microcontrollers on boards using the 65C22
What boards using the 65C22 are built for
65C22: common questions
Where can I find a 65C22 reference design?
Each of the 5 boards on this page is a real design using the 65C22. 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 65C22?
The 62256, 65C02 and 74HC00 appear in the most repositories here.
Which microcontrollers do boards using the 65C22 use?
Most are built on AVR/Arduino (1).
How big is a typical board using the 65C22?
The median is 139.2 × 112.3 mm, and 80% are two-layer designs.
What is the most popular open source board using the 65C22?
By GitHub stars, Chihuahua by zuiko21, with 23 stars.
Can I simulate one of these boards using the 65C22 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.