8 open source boards using the 27C32

Real designs built with the 27C32, 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.

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The 27C32 in open source designs

The gallery holds 8 open source boards using the 27C32 from 4 GitHub repositories; a typical one measures about 248.9 × 139.7 mm and carries around 80 components.

100% are two-layer designs, the rest use four layers or more, and 38% carry an open source license.

The most starred is Orange-Micro-Grappler+ by markadev.

Parts used alongside the 27C32

What boards using the 27C32 are built for

Retro computing 3

27C32: common questions

Where can I find a 27C32 reference design?

Each of the 8 boards on this page is a real design using the 27C32. 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 27C32?

The 74LS00, 74LS02, 74LS04, 74LS123 and 74LS138 appear in the most repositories here.

How big is a typical board using the 27C32?

The median is 248.9 × 139.7 mm, and 100% are two-layer designs.

What is the most popular open source board using the 27C32?

By GitHub stars, Orange-Micro-Grappler+ by markadev, with 23 stars.

Can I simulate one of these boards using the 27C32 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.

8 open source boards using the 27C32

Apollo 7 Squale

6809 Plus EPROM Version

GIMIX 6809 CPU Plus

Orange-Micro-Grappler+

Exorset Floppy

Orange-Micro-Grappler+-Rev-C

Microtek-Dumpling-GX

GIMIX Ghost 6800