13 open source boards using the ESP32-S3-WROOM-2

Real designs built with the ESP32-S3-WROOM-2, 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-S3-WROOM-2 in open source designs

The gallery holds 13 open source boards using the ESP32-S3-WROOM-2 from 5 GitHub repositories; a typical one measures about 97.5 × 72.3 mm and carries around 60 components.

83% are two-layer designs, the rest use four layers or more, and 23% carry an open source license.

The most starred is Firestarter by hstarmans.

Microcontrollers on boards using the ESP32-S3-WROOM-2

ESP32-S3-WROOM-2: common questions

Where can I find a ESP32-S3-WROOM-2 reference design?

Each of the 13 boards on this page is a real design using the ESP32-S3-WROOM-2. 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-S3-WROOM-2 use?

Most are built on ESP32 (13).

How big is a typical board using the ESP32-S3-WROOM-2?

The median is 97.5 × 72.3 mm, and 83% are two-layer designs.

What is the most popular open source board using the ESP32-S3-WROOM-2?

By GitHub stars, Firestarter by hstarmans, with 9 stars.

Can I simulate one of these boards using the ESP32-S3-WROOM-2 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