5 open source boards using the ESP32-C3-WROOM-02U

Real designs built with the ESP32-C3-WROOM-02U, 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-C3-WROOM-02U in open source designs

The gallery holds 5 open source boards using the ESP32-C3-WROOM-02U from 5 GitHub repositories; a typical one measures about 99.9 × 68.9 mm and carries around 37 components.

60% use four copper layers or more, and 20% carry an open source license.

The most starred is Serialsentinel by gcormier.

Parts used alongside the ESP32-C3-WROOM-02U

Microcontrollers on boards using the ESP32-C3-WROOM-02U

What boards using the ESP32-C3-WROOM-02U are built for

ESP32-C3-WROOM-02U: common questions

Where can I find a ESP32-C3-WROOM-02U reference design?

Each of the 5 boards on this page is a real design using the ESP32-C3-WROOM-02U. 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-C3-WROOM-02U?

The AMS1117-3.3, AP2114H-3.3TRG1, DW01A, Stick 1 and Stick 2 appear in the most repositories here.

Which microcontrollers do boards using the ESP32-C3-WROOM-02U use?

Most are built on ESP32 (5).

How big is a typical board using the ESP32-C3-WROOM-02U?

The median is 99.9 × 68.9 mm, and 40% are two-layer designs.

What is the most popular open source board using the ESP32-C3-WROOM-02U?

By GitHub stars, Serialsentinel by gcormier, with 3 stars.

Can I simulate one of these boards using the ESP32-C3-WROOM-02U 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.

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