9 open source boards using the 28C64
Real designs built with the 28C64, 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.
AVR/Arduino8bit computer
vascofazza
297.2 × 180.3 mm327 parts2LMIT314
68000
jefftranter
134.6 × 208.3 mm90 parts2LNo license132
ESP8266Divtiesus maple
anarsoul
76.5 × 56.9 mm41 parts2LGPL-3.016
Qx10 titan clone
brijohn
281 × 79 mm48 parts2LNo license9
KEY2USB
acwright
57.9 × 83.9 mm9 parts2LCERN-OHL-P-2.04
ESP8266Divtiesus acer
arleybls
76.6 × 57.4 mm40 parts2LNo license3
AVR/ArduinoAPL1
150 × 100 mm44 parts2LCERN-OHL-P-2.01
74 Character Generator
rjhelms
124.5 × 99.1 mm77 parts4LNo license2
Poly88 rom replacement board
abzman
122.6 × 52.7 mm11 parts2LUnlicense3
The 28C64 in open source designs
The gallery holds 9 open source boards using the 28C64 from 9 GitHub repositories; a typical one measures about 124.5 × 83.9 mm and carries around 44 components.
89% are two-layer designs, the rest use four layers or more, and 56% carry an open source license.
The most starred is 8bit computer by vascofazza.
Parts used alongside the 28C64
Microcontrollers on boards using the 28C64
What boards using the 28C64 are built for
28C64: common questions
Where can I find a 28C64 reference design?
Each of the 9 boards on this page is a real design using the 28C64. 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 28C64?
The 74LS04, 74LS74, 628128, 74HCT165D and 74LS00 appear in the most repositories here.
Which microcontrollers do boards using the 28C64 use?
Most are built on AVR/Arduino (2) and ESP8266 (2).
How big is a typical board using the 28C64?
The median is 124.5 × 83.9 mm, and 89% are two-layer designs.
What is the most popular open source board using the 28C64?
By GitHub stars, 8bit computer by vascofazza, with 314 stars.
Can I simulate one of these boards using the 28C64 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.