2 open source boards using the ESP32-WROOM-32E-H4
Real designs built with the ESP32-WROOM-32E-H4, 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.
ESP32WeatherV3-kernelcon2026
ZonkSec
66 × 143.3 mm82 parts2LNo license4
ESP32Esp32-wroom-32-usb development board
Habib-creater
51.8 × 31 mm29 parts2LCERN-OHL-S-2.01
The ESP32-WROOM-32E-H4 in open source designs
The gallery holds 2 open source boards using the ESP32-WROOM-32E-H4 from 2 GitHub repositories; a typical one measures about 58.9 × 87.1 mm and carries around 56 components.
100% are two-layer designs, the rest use four layers or more, and 50% carry an open source license.
The most starred is WeatherV3-kernelcon2026 by ZonkSec.
Microcontrollers on boards using the ESP32-WROOM-32E-H4
What boards using the ESP32-WROOM-32E-H4 are built for
ESP32-WROOM-32E-H4: common questions
Where can I find a ESP32-WROOM-32E-H4 reference design?
Each of the 2 boards on this page is a real design using the ESP32-WROOM-32E-H4. 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-H4 use?
Most are built on ESP32 (2).
How big is a typical board using the ESP32-WROOM-32E-H4?
The median is 58.9 × 87.1 mm, and 100% are two-layer designs.
What is the most popular open source board using the ESP32-WROOM-32E-H4?
By GitHub stars, WeatherV3-kernelcon2026 by ZonkSec, with 4 stars.
Can I simulate one of these boards using the ESP32-WROOM-32E-H4 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.