7 open source boards using the ESP32-WROOM-32D-4MB

Real designs built with the ESP32-WROOM-32D-4MB, 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-32D-4MB in open source designs

The gallery holds 7 open source boards using the ESP32-WROOM-32D-4MB from 3 GitHub repositories; a typical one measures about 28 × 93 mm and carries around 121 components.

57% use four copper layers or more, and 43% carry an open source license.

The most starred is ESP32-GATEWAY Rev F by OLIMEX.

Microcontrollers on boards using the ESP32-WROOM-32D-4MB

What boards using the ESP32-WROOM-32D-4MB are built for

ESP32-WROOM-32D-4MB: common questions

Where can I find a ESP32-WROOM-32D-4MB reference design?

Each of the 7 boards on this page is a real design using the ESP32-WROOM-32D-4MB. 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-32D-4MB?

The CH340T(SSOP20W), LAN8710A-EZC(QFN32), SY8089AAAC(SOT23-5) and BL4054B-42TPRN(SOT23-5) appear in the most repositories here.

Which microcontrollers do boards using the ESP32-WROOM-32D-4MB use?

Most are built on ESP32 (7).

How big is a typical board using the ESP32-WROOM-32D-4MB?

The median is 28 × 93 mm, and 43% are two-layer designs.

What is the most popular open source board using the ESP32-WROOM-32D-4MB?

By GitHub stars, ESP32-GATEWAY Rev F by OLIMEX, with 320 stars.

Can I simulate one of these boards using the ESP32-WROOM-32D-4MB 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