3 open source boards using the Bluepill_R

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

The gallery holds 3 open source boards using the Bluepill_R from 3 GitHub repositories; a typical one measures about 100 × 80 mm and carries around 22 components.

100% use four copper layers or more, and 0% carry an open source license.

The most starred is Kicad board-2026-07-16-bluepill smartnode rs485 by SimulatedFlow.

Parts used alongside the Bluepill_R

What boards using the Bluepill_R are built for

Bluepill_R: common questions

Where can I find a Bluepill_R reference design?

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

The median is 100 × 80 mm, and 0% are two-layer designs.

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

By GitHub stars, Kicad board-2026-07-16-bluepill smartnode rs485 by SimulatedFlow, with 0 stars.

Can I simulate one of these boards using the Bluepill_R 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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