6 open source boards using the mini_esp32

Real designs built with the mini_esp32, 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 mini_esp32 in open source designs

The gallery holds 6 open source boards using the mini_esp32 from 5 GitHub repositories; a typical one measures about 84 × 62.7 mm and carries around 19 components.

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

The most starred is RatGDO-OpenSource-D1Mini-ESP32 by Kaldek.

Microcontrollers on boards using the mini_esp32

mini_esp32: common questions

Where can I find a mini_esp32 reference design?

Each of the 6 boards on this page is a real design using the mini_esp32. 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 mini_esp32 use?

Most are built on ESP32 (6).

How big is a typical board using the mini_esp32?

The median is 84 × 62.7 mm, and 100% are two-layer designs.

What is the most popular open source board using the mini_esp32?

By GitHub stars, RatGDO-OpenSource-D1Mini-ESP32 by Kaldek, with 506 stars.

Can I simulate one of these boards using the mini_esp32 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