4 open source boards using the WD2797
Real designs built with the WD2797, 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.
Multicomp6809
nealcrook
170 × 145 mm115 parts2LNo license63- schematic only · 39 parts
Grid compass fdd-2102
vklachkov
39 partsNo license2 
M6809-multicomputer
cartheur
170 × 145 mm111 parts2LMIT1
GIMIX DMA Floppy
roberto314
248.9 × 139.7 mm124 parts2LBSD-2-Clause1
The WD2797 in open source designs
The gallery holds 4 open source boards using the WD2797 from 4 GitHub repositories; a typical one measures about 170 × 145 mm and carries around 113 components.
100% are two-layer designs, the rest use four layers or more, and 50% carry an open source license.
The most starred is Multicomp6809 by nealcrook.
Parts used alongside the WD2797
What boards using the WD2797 are built for
WD2797: common questions
Where can I find a WD2797 reference design?
Each of the 4 boards on this page is a real design using the WD2797. 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 WD2797?
The 74LS174, 74LS367, 74HCT10, 74HCT123 and 74HCT244 appear in the most repositories here.
How big is a typical board using the WD2797?
The median is 170 × 145 mm, and 100% are two-layer designs.
What is the most popular open source board using the WD2797?
By GitHub stars, Multicomp6809 by nealcrook, with 63 stars.
Can I simulate one of these boards using the WD2797 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.