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.
ESP32
Echowawa
moonbeeper
80 × 40 mm96 parts4LNo license0ESP32
Bluetooth Box V3
zOnlyKroks
64.5 × 74.8 mm119 parts4LCC0-1.00FPGA
ICE40HX1K-TQ144
zOnlyKroks
89.5 × 66.4 mm81 parts4LCC0-1.00STM32
STM32F072xB
zOnlyKroks
82.3 × 32.8 mm49 parts4LCC0-1.00
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.
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.