6 open source boards using the ESP32-WROOM-32U

Real designs built with the ESP32-WROOM-32U, 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 ESP32-WROOM-32U in open source designs

The gallery holds 6 open source boards using the ESP32-WROOM-32U from 6 GitHub repositories; a typical one measures about 137.5 × 100.7 mm and carries around 107 components.

100% are two-layer designs, the rest use four layers or more, and 67% carry an open source license.

The most starred is FreeDSP-aurora by freeDSP.

Parts used alongside the ESP32-WROOM-32U

Microcontrollers on boards using the ESP32-WROOM-32U

What boards using the ESP32-WROOM-32U are built for

ESP32-WROOM-32U: common questions

Where can I find a ESP32-WROOM-32U reference design?

Each of the 6 boards on this page is a real design using the ESP32-WROOM-32U. 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 ESP32-WROOM-32U use?

Most are built on ESP32 (6).

How big is a typical board using the ESP32-WROOM-32U?

The median is 137.5 × 100.7 mm, and 100% are two-layer designs.

What is the most popular open source board using the ESP32-WROOM-32U?

By GitHub stars, FreeDSP-aurora by freeDSP, with 222 stars.

Can I simulate one of these boards using the ESP32-WROOM-32U 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