3 open source boards using the MCP3221
Real designs built with the MCP3221, 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.
Raspberry PiHaxo hw
cardonabits
102.4 × 211.3 mm38 parts2LCustom license672
ESP32STARLITE PRODUCTION
AndrewJ-25
154.2 × 250 mm62 parts2LNo license3
ESP32Digisax
103 × 250 mm61 parts2LNo license3
The MCP3221 in open source designs
The gallery holds 3 open source boards using the MCP3221 from 2 GitHub repositories; a typical one measures about 103 × 250 mm and carries around 61 components.
100% are two-layer designs, the rest use four layers or more, and 0% carry an open source license.
The most starred is Haxo hw by cardonabits.
Microcontrollers on boards using the MCP3221
What boards using the MCP3221 are built for
MCP3221: common questions
Where can I find a MCP3221 reference design?
Each of the 3 boards on this page is a real design using the MCP3221. 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 MCP3221 use?
Most are built on ESP32 (2) and Raspberry Pi (1).
How big is a typical board using the MCP3221?
The median is 103 × 250 mm, and 100% are two-layer designs.
What is the most popular open source board using the MCP3221?
By GitHub stars, Haxo hw by cardonabits, with 672 stars.
Can I simulate one of these boards using the MCP3221 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.