8 open source boards using the XIAO-ESP32-S3-SMD

Real designs built with the XIAO-ESP32-S3-SMD, 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 XIAO-ESP32-S3-SMD in open source designs

The gallery holds 8 open source boards using the XIAO-ESP32-S3-SMD from 8 GitHub repositories; a typical one measures about 173.8 × 106.3 mm and carries around 21 components.

100% are two-layer designs, the rest use four layers or more, and 38% carry an open source license.

The most starred is ULTRATERM PCB by jamdotjar.

Microcontrollers on boards using the XIAO-ESP32-S3-SMD

What boards using the XIAO-ESP32-S3-SMD are built for

XIAO-ESP32-S3-SMD: common questions

Where can I find a XIAO-ESP32-S3-SMD reference design?

Each of the 8 boards on this page is a real design using the XIAO-ESP32-S3-SMD. 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 XIAO-ESP32-S3-SMD?

The XIAO-ESP32-C3-DIP, XIAO-ESP32-C3-SMD, XIAO-ESP32-C5-SMD, XIAO-ESP32-C6-DIP and XIAO-ESP32-C6-SMD appear in the most repositories here.

Which microcontrollers do boards using the XIAO-ESP32-S3-SMD use?

Most are built on ESP32 (4) and RP2040/RP2350 (4).

How big is a typical board using the XIAO-ESP32-S3-SMD?

The median is 173.8 × 106.3 mm, and 100% are two-layer designs.

What is the most popular open source board using the XIAO-ESP32-S3-SMD?

By GitHub stars, ULTRATERM PCB by jamdotjar, with 8 stars.

Can I simulate one of these boards using the XIAO-ESP32-S3-SMD 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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