3 open source boards using the E220-900MM22S

Real designs built with the E220-900MM22S, 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 E220-900MM22S in open source designs

The gallery holds 3 open source boards using the E220-900MM22S from 1 GitHub repository; a typical one measures about 22.5 × 69.6 mm and carries around 76 components.

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

The most starred is Tinker beetle by Tinkerbug-Robotics.

Microcontrollers on boards using the E220-900MM22S

What boards using the E220-900MM22S are built for

E220-900MM22S: common questions

Where can I find a E220-900MM22S reference design?

Each of the 3 boards on this page is a real design using the E220-900MM22S. 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 E220-900MM22S use?

Most are built on ESP32 (3).

How big is a typical board using the E220-900MM22S?

The median is 22.5 × 69.6 mm, and 0% are two-layer designs.

What is the most popular open source board using the E220-900MM22S?

By GitHub stars, Tinker beetle by Tinkerbug-Robotics, with 0 stars.

Can I simulate one of these boards using the E220-900MM22S 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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