20 open source boards using the ESP32-WROOM-32E

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

The gallery holds 20 open source boards using the ESP32-WROOM-32E from 18 GitHub repositories; a typical one measures about 60 × 50 mm and carries around 44 components.

68% are two-layer designs, the rest use four layers or more, and 45% carry an open source license.

The most starred is Sra dev board 2026 by SRA-VJTI.

Microcontrollers on boards using the ESP32-WROOM-32E

ESP32-WROOM-32E: common questions

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

Each of the 20 boards on this page is a real design using the ESP32-WROOM-32E. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.

What parts are used alongside the ESP32-WROOM-32E?

The AMS1117-3.3, CH340C, CP2102N-Axx-xQFN24, AMS1117 and AP2112K-3.3 appear in the most repositories here.

Which microcontrollers do boards using the ESP32-WROOM-32E use?

Most are built on ESP32 (20).

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

The median is 60 × 50 mm, and 68% are two-layer designs.

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

By GitHub stars, Sra dev board 2026 by SRA-VJTI, with 80 stars.

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