2 open source boards using the 82C51A
Real designs built with the 82C51A, 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.
skiselev
schenkmiThe 82C51A in open source designs
The gallery holds 2 open source boards using the 82C51A from 2 GitHub repositories; a typical one measures about 100 × 80 mm and carries around 44 components.
100% are two-layer designs, the rest use four layers or more, and 50% carry an open source license.
The most starred is Minimax8085 by skiselev.
82C51A: common questions
Where can I find a 82C51A reference design?
Each of the 2 boards on this page is a real design using the 82C51A. 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 82C51A?
The 27C128, 62256, 74HC573, 80C85A and DS1210 appear in the most repositories here.
How big is a typical board using the 82C51A?
The median is 100 × 80 mm, and 100% are two-layer designs.
What is the most popular open source board using the 82C51A?
By GitHub stars, Minimax8085 by skiselev, with 60 stars.
Can I simulate one of these boards using the 82C51A 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.