3 open source boards using the MCP23S17_SO
Real designs built with the MCP23S17_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.
RP2040/RP2350Cyclic
tpcarlson
241.2 × 160 mm437 parts4LNo license106
Input selector
FutureSharks
90.2 × 52.1 mm41 parts2LGPL-3.045
Smu front 1
jaromir-sukuba
268 × 62 mm83 parts2LNo license188
The MCP23S17_SO in open source designs
The gallery holds 3 open source boards using the MCP23S17_SO from 3 GitHub repositories; a typical one measures about 241.1 × 62 mm and carries around 83 components.
67% are two-layer designs, the rest use four layers or more, and 33% carry an open source license.
The most starred is Smu front 1 by jaromir-sukuba.
Microcontrollers on boards using the MCP23S17_SO
What boards using the MCP23S17_SO are built for
MCP23S17_SO: common questions
Where can I find a MCP23S17_SO reference design?
Each of the 3 boards on this page is a real design using the MCP23S17_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 MCP23S17_SO use?
Most are built on RP2040/RP2350 (1).
How big is a typical board using the MCP23S17_SO?
The median is 241.1 × 62 mm, and 67% are two-layer designs.
What is the most popular open source board using the MCP23S17_SO?
By GitHub stars, Smu front 1 by jaromir-sukuba, with 188 stars.
Can I simulate one of these boards using the MCP23S17_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.