2 open source boards using the MCP2221A-I_SL
Real designs built with the MCP2221A-I_SL, 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.
BreadControlV3
Architeuthis-Flux
82.6 × 53.3 mm69 parts2LGPL-3.050
AVR/ArduinoBreadControlV2-rounded 3
82.6 × 53.3 mm58 parts2LGPL-3.050
The MCP2221A-I_SL in open source designs
The gallery holds 2 open source boards using the MCP2221A-I_SL from 1 GitHub repository; a typical one measures about 82.6 × 53.3 mm and carries around 64 components.
100% are two-layer designs, the rest use four layers or more, and 100% carry an open source license.
The most starred is BreadControlV3 by Architeuthis-Flux.
Microcontrollers on boards using the MCP2221A-I_SL
What boards using the MCP2221A-I_SL are built for
MCP2221A-I_SL: common questions
Where can I find a MCP2221A-I_SL reference design?
Each of the 2 boards on this page is a real design using the MCP2221A-I_SL. 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 MCP2221A-I_SL use?
Most are built on AVR/Arduino (1).
How big is a typical board using the MCP2221A-I_SL?
The median is 82.6 × 53.3 mm, and 100% are two-layer designs.
What is the most popular open source board using the MCP2221A-I_SL?
By GitHub stars, BreadControlV3 by Architeuthis-Flux, with 50 stars.
Can I simulate one of these boards using the MCP2221A-I_SL 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.