3 open source boards using the C111212

Real designs built with the C111212, 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.

The C111212 in open source designs

The gallery holds 3 open source boards using the C111212 from 1 GitHub repository; a typical one measures about 189.2 × 48.9 mm and carries around 81 components.

67% are two-layer designs, the rest use four layers or more, and 100% carry an open source license.

The most starred is SW32 by saawsm.

Microcontrollers on boards using the C111212

What boards using the C111212 are built for

C111212: common questions

Where can I find a C111212 reference design?

Each of the 3 boards on this page is a real design using the C111212. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.

Which microcontrollers do boards using the C111212 use?

Most are built on ESP32 (1) and RP2040/RP2350 (1).

How big is a typical board using the C111212?

The median is 189.2 × 48.9 mm, and 67% are two-layer designs.

What is the most popular open source board using the C111212?

By GitHub stars, SW32 by saawsm, with 12 stars.

Can I simulate one of these boards using the C111212 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.

Browse boards by part