2 open source boards using the MCP2221AxP

Real designs built with the MCP2221AxP, 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 MCP2221AxP in open source designs

The gallery holds 2 open source boards using the MCP2221AxP from 2 GitHub repositories; a typical one measures about 74.6 × 55.3 mm and carries around 21 components.

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

The most starred is AVR488 by VE7PMC.

Microcontrollers on boards using the MCP2221AxP

What boards using the MCP2221AxP are built for

MCP2221AxP: common questions

Where can I find a MCP2221AxP reference design?

Each of the 2 boards on this page is a real design using the MCP2221AxP. 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 MCP2221AxP use?

Most are built on AVR/Arduino (1).

How big is a typical board using the MCP2221AxP?

The median is 74.6 × 55.3 mm, and 50% are two-layer designs.

What is the most popular open source board using the MCP2221AxP?

By GitHub stars, AVR488 by VE7PMC, with 10 stars.

Can I simulate one of these boards using the MCP2221AxP 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.

Browse boards by part