7 open source boards using the RT9080-3.3

Real designs built with the RT9080-3.3, 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 RT9080-3.3 in open source designs

The gallery holds 7 open source boards using the RT9080-3.3 from 3 GitHub repositories; a typical one measures about 44.5 × 48.3 mm and carries around 65 components.

71% are two-layer designs, the rest use four layers or more, and 86% carry an open source license.

The most starred is SparkFun Thing Plus ESP32-S3 by sparkfun.

Microcontrollers on boards using the RT9080-3.3

RT9080-3.3: common questions

Where can I find a RT9080-3.3 reference design?

Each of the 7 boards on this page is a real design using the RT9080-3.3. 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 RT9080-3.3 use?

Most are built on RP2040/RP2350 (3), ESP32 (2) and NXP (1).

How big is a typical board using the RT9080-3.3?

The median is 44.5 × 48.3 mm, and 71% are two-layer designs.

What is the most popular open source board using the RT9080-3.3?

By GitHub stars, SparkFun Thing Plus ESP32-S3 by sparkfun, with 12 stars.

Can I simulate one of these boards using the RT9080-3.3 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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