2 open source boards using the E22-400MM22S
Real designs built with the E22-400MM22S, 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.
ESP32MIDAS Mini MK1
ISSUIUC
25 × 80 mm122 parts4LNo license31
ESP32Feather Duo
40 × 40 mm39 parts4LNo license31
The E22-400MM22S in open source designs
The gallery holds 2 open source boards using the E22-400MM22S from 1 GitHub repository; a typical one measures about 32.5 × 60 mm and carries around 81 components.
100% use four copper layers or more, and 0% carry an open source license.
The most starred is MIDAS Mini MK1 by ISSUIUC.
Microcontrollers on boards using the E22-400MM22S
What boards using the E22-400MM22S are built for
E22-400MM22S: common questions
Where can I find a E22-400MM22S reference design?
Each of the 2 boards on this page is a real design using the E22-400MM22S. 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 E22-400MM22S use?
Most are built on ESP32 (2).
How big is a typical board using the E22-400MM22S?
The median is 32.5 × 60 mm, and 0% are two-layer designs.
What is the most popular open source board using the E22-400MM22S?
By GitHub stars, MIDAS Mini MK1 by ISSUIUC, with 31 stars.
Can I simulate one of these boards using the E22-400MM22S 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.