3 open source boards using the CH32V003F4U6

Real designs built with the CH32V003F4U6, 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 CH32V003F4U6 in open source designs

The gallery holds 3 open source boards using the CH32V003F4U6 from 2 GitHub repositories; a typical one measures about 168.8 × 105.3 mm and carries around 57 components.

67% use four copper layers or more, and 100% carry an open source license.

The most starred is OneButton by usr-ein.

Microcontrollers on boards using the CH32V003F4U6

What boards using the CH32V003F4U6 are built for

CH32V003F4U6: common questions

Where can I find a CH32V003F4U6 reference design?

Each of the 3 boards on this page is a real design using the CH32V003F4U6. 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 CH32V003F4U6 use?

Most are built on RISC-V (3).

How big is a typical board using the CH32V003F4U6?

The median is 168.8 × 105.3 mm, and 33% are two-layer designs.

What is the most popular open source board using the CH32V003F4U6?

By GitHub stars, OneButton by usr-ein, with 10 stars.

Can I simulate one of these boards using the CH32V003F4U6 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.

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