2 open source boards using the Z80 PIO A
Real designs built with the Z80 PIO A, 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.
Zak180
agkaminski
188 × 128.3 mm128 parts4LCC-BY-NC-4.00
ZAK181
215.3 × 96.8 mm111 parts4LCC-BY-NC-4.00
The Z80 PIO A in open source designs
The gallery holds 2 open source boards using the Z80 PIO A from 2 GitHub repositories; a typical one measures about 201.6 × 112.6 mm and carries around 120 components.
100% use four copper layers or more, and 0% carry an open source license.
The most starred is Zak180 by agkaminski.
Parts used alongside the Z80 PIO A
What boards using the Z80 PIO A are built for
Z80 PIO A: common questions
Where can I find a Z80 PIO A reference design?
Each of the 2 boards on this page is a real design using the Z80 PIO A. 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 Z80 PIO A?
The 74HC138, 74HC166, 74HC244, CH340N and LM386 appear in the most repositories here.
How big is a typical board using the Z80 PIO A?
The median is 201.6 × 112.6 mm, and 0% are two-layer designs.
What is the most popular open source board using the Z80 PIO A?
By GitHub stars, Zak180 by agkaminski, with 0 stars.
Can I simulate one of these boards using the Z80 PIO A 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.