1 open source board using the 4020
Real designs built with the 4020, 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.
cherry-takuanThe 4020 in open source designs
The gallery holds 1 open source boards using the 4020 from 1 GitHub repository; a typical one measures about 99.7 × 99.7 mm and carries around 55 components.
100% are two-layer designs, the rest use four layers or more, and 100% carry an open source license.
The most starred is RS 232 by cherry-takuan.
4020: common questions
Where can I find a 4020 reference design?
Each of the 1 boards on this page is a real design using the 4020. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.
How big is a typical board using the 4020?
The median is 99.7 × 99.7 mm, and 100% are two-layer designs.
What is the most popular open source board using the 4020?
By GitHub stars, RS 232 by cherry-takuan, with 45 stars.
Can I simulate one of these boards using the 4020 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.