2 open source boards using the REF5040AD

Real designs built with the REF5040AD, 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.

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The REF5040AD in open source designs

The gallery holds 2 open source boards using the REF5040AD from 2 GitHub repositories; a typical one measures about 85 × 65 mm and carries around 70 components.

100% use four copper layers or more, and 50% carry an open source license.

The most starred is USAYPT2026 FlashSensor MLWGS by williamlin108.

Microcontrollers on boards using the REF5040AD

STM32 1

What boards using the REF5040AD are built for

REF5040AD: common questions

Where can I find a REF5040AD reference design?

Each of the 2 boards on this page is a real design using the REF5040AD. 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 REF5040AD use?

Most are built on STM32 (1).

How big is a typical board using the REF5040AD?

The median is 85 × 65 mm, and 0% are two-layer designs.

What is the most popular open source board using the REF5040AD?

By GitHub stars, USAYPT2026 FlashSensor MLWGS by williamlin108, with 1 stars.

Can I simulate one of these boards using the REF5040AD 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.