2 open source boards using the Teensy 4.0

Real designs built with the Teensy 4.0, 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 Teensy 4.0 in open source designs

The gallery holds 2 open source boards using the Teensy 4.0 from 2 GitHub repositories; a typical one measures about 72.5 × 76 mm and carries around 44 components.

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

The most starred is ProtogenControllerV1 by coelacant1.

Microcontrollers on boards using the Teensy 4.0

What boards using the Teensy 4.0 are built for

Teensy 4.0: common questions

Where can I find a Teensy 4.0 reference design?

Each of the 2 boards on this page is a real design using the Teensy 4.0. 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 Teensy 4.0 use?

Most are built on ESP32 (1) and NXP (1).

How big is a typical board using the Teensy 4.0?

The median is 72.5 × 76 mm, and 50% are two-layer designs.

What is the most popular open source board using the Teensy 4.0?

By GitHub stars, ProtogenControllerV1 by coelacant1, with 8 stars.

Can I simulate one of these boards using the Teensy 4.0 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.