2 open source boards using the CN3801

Real designs built with the CN3801, 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.

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The CN3801 in open source designs

The gallery holds 2 open source boards using the CN3801 from 2 GitHub repositories; a typical one measures about 25.4 × 25.4 mm and carries around 37 components.

100% are two-layer designs, the rest use four layers or more, and 50% carry an open source license.

The most starred is Solar esp32 by fadushin.

Microcontrollers on boards using the CN3801

ESP32 1

What boards using the CN3801 are built for

CN3801: common questions

Where can I find a CN3801 reference design?

Each of the 2 boards on this page is a real design using the CN3801. 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 CN3801 use?

Most are built on ESP32 (1).

How big is a typical board using the CN3801?

The median is 25.4 × 25.4 mm, and 100% are two-layer designs.

What is the most popular open source board using the CN3801?

By GitHub stars, Solar esp32 by fadushin, with 42 stars.

Can I simulate one of these boards using the CN3801 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.