4 open source boards using the ESP32-C3-WROOM-02-H4

Real designs built with the ESP32-C3-WROOM-02-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.

The ESP32-C3-WROOM-02-H4 in open source designs

The gallery holds 4 open source boards using the ESP32-C3-WROOM-02-H4 from 4 GitHub repositories; a typical one measures about 82 × 57.9 mm and carries around 80 components.

100% use four copper layers or more, and 0% carry an open source license.

The most starred is ESP32-RS485-Lipo Battery by SushantSaroch13.

Microcontrollers on boards using the ESP32-C3-WROOM-02-H4

ESP32-C3-WROOM-02-H4: common questions

Where can I find a ESP32-C3-WROOM-02-H4 reference design?

Each of the 4 boards on this page is a real design using the ESP32-C3-WROOM-02-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.

What parts are used alongside the ESP32-C3-WROOM-02-H4?

The CP2102N-AXX-XQFN20, USBLC6-2SC6, BME280, MAX4466EXK and W25Q32JVSSIQ appear in the most repositories here.

Which microcontrollers do boards using the ESP32-C3-WROOM-02-H4 use?

Most are built on ESP32 (4).

How big is a typical board using the ESP32-C3-WROOM-02-H4?

The median is 82 × 57.9 mm, and 0% are two-layer designs.

What is the most popular open source board using the ESP32-C3-WROOM-02-H4?

By GitHub stars, ESP32-RS485-Lipo Battery by SushantSaroch13, with 1 stars.

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

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