4 open source boards using the ESP32-WROOM-32E-R2

Real designs built with the ESP32-WROOM-32E-R2, 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-R2 in open source designs

The gallery holds 4 open source boards using the ESP32-WROOM-32E-R2 from 2 GitHub repositories; a typical one measures about 81.1 × 53.2 mm and carries around 89 components.

100% use four copper layers or more, and 75% carry an open source license.

The most starred is Bluetooth Box V3 by zOnlyKroks.

Microcontrollers on boards using the ESP32-WROOM-32E-R2

What boards using the ESP32-WROOM-32E-R2 are built for

ESP32-WROOM-32E-R2: common questions

Where can I find a ESP32-WROOM-32E-R2 reference design?

Each of the 4 boards on this page is a real design using the ESP32-WROOM-32E-R2. 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-32E-R2 use?

Most are built on ESP32 (2), FPGA (1) and STM32 (1).

How big is a typical board using the ESP32-WROOM-32E-R2?

The median is 81.1 × 53.2 mm, and 0% are two-layer designs.

What is the most popular open source board using the ESP32-WROOM-32E-R2?

By GitHub stars, Bluetooth Box V3 by zOnlyKroks, with 0 stars.

Can I simulate one of these boards using the ESP32-WROOM-32E-R2 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