2 open source boards using the MCP23017x-x-SO
Real designs built with the MCP23017x-x-SO, 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.
STM32EtherKraken
karmakrafts
87.6 × 100.8 mm80 parts2LApache-2.03
RP2040/RP2350Custom keyboard
HACKERHSB1453
178.2 × 127.1 mm267 parts2LNo license0
The MCP23017x-x-SO in open source designs
The gallery holds 2 open source boards using the MCP23017x-x-SO from 2 GitHub repositories; a typical one measures about 132.9 × 113.9 mm and carries around 174 components.
100% are two-layer designs, the rest use four layers or more, and 50% carry an open source license.
The most starred is EtherKraken by karmakrafts.
Microcontrollers on boards using the MCP23017x-x-SO
What boards using the MCP23017x-x-SO are built for
MCP23017x-x-SO: common questions
Where can I find a MCP23017x-x-SO reference design?
Each of the 2 boards on this page is a real design using the MCP23017x-x-SO. 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 MCP23017x-x-SO use?
Most are built on RP2040/RP2350 (1) and STM32 (1).
How big is a typical board using the MCP23017x-x-SO?
The median is 132.9 × 113.9 mm, and 100% are two-layer designs.
What is the most popular open source board using the MCP23017x-x-SO?
By GitHub stars, EtherKraken by karmakrafts, with 3 stars.
Can I simulate one of these boards using the MCP23017x-x-SO 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.