2 open source boards using the C347222

Real designs built with the C347222, 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 C347222 in open source designs

The gallery holds 2 open source boards using the C347222 from 2 GitHub repositories; a typical one measures about 66 × 33.1 mm and carries around 43 components.

50% are two-layer designs, the rest use four layers or more, and 100% carry an open source license.

The most starred is Rp2040 8key by kata0510.

Microcontrollers on boards using the C347222

What boards using the C347222 are built for

C347222: common questions

Where can I find a C347222 reference design?

Each of the 2 boards on this page is a real design using the C347222. 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 C347222 use?

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

How big is a typical board using the C347222?

The median is 66 × 33.1 mm, and 50% are two-layer designs.

What is the most popular open source board using the C347222?

By GitHub stars, Rp2040 8key by kata0510, with 4 stars.

Can I simulate one of these boards using the C347222 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