1 open source board using the B0505S/B1205S

Real designs built with the B0505S/B1205S, 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 B0505S/B1205S in open source designs

The gallery holds 1 open source boards using the B0505S/B1205S from 1 GitHub repository; a typical one measures about 165 × 110 mm and carries around 207 components.

100% are two-layer designs, the rest use four layers or more, and 0% carry an open source license.

The most starred is Clean room slave by trieuhuyduc.

Microcontrollers on boards using the B0505S/B1205S

B0505S/B1205S: common questions

Where can I find a B0505S/B1205S reference design?

Each of the 1 boards on this page is a real design using the B0505S/B1205S. 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 B0505S/B1205S use?

Most are built on ESP32 (1).

How big is a typical board using the B0505S/B1205S?

The median is 165 × 110 mm, and 100% are two-layer designs.

What is the most popular open source board using the B0505S/B1205S?

By GitHub stars, Clean room slave by trieuhuyduc, with 1 stars.

Can I simulate one of these boards using the B0505S/B1205S 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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