11 open source boards using the MCP23017
Real designs built with the MCP23017, 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.
Mrmeeseeks RevA
d4rkwyng
49.6 × 62.4 mm21 parts2LMIT1
Mooncake RevA
46 × 48.4 mm23 parts2LMIT0
Mrmeeseeks RevB
49.6 × 62.4 mm21 parts2LMIT1
Mooncake RevB
46 × 48.4 mm23 parts2LMIT0
Mrmeeseeks RevC
49.6 × 62.4 mm21 parts2LMIT1
Mooncake RevC
46 × 48.4 mm23 parts2LMIT0
MainPowerBoard
ParadigmHyperloop
177.8 × 177.8 mm259 parts2LCustom license11
Mrmeeseeks RevD
49.6 × 62.4 mm21 parts2LMIT1
Mooncake RevC ESO
46 × 48.4 mm23 parts2LMIT0
Mrmeeseeks RevE
49.6 × 62.4 mm19 parts2LMIT1
Mrmeeseeks RevE ESO
49.6 × 62.4 mm19 parts2LMIT1
The MCP23017 in open source designs
The gallery holds 11 open source boards using the MCP23017 from 3 GitHub repositories; a typical one measures about 49.6 × 62.4 mm and carries around 21 components.
100% are two-layer designs, the rest use four layers or more, and 91% carry an open source license.
The most starred is MainPowerBoard by ParadigmHyperloop.
MCP23017: common questions
Where can I find a MCP23017 reference design?
Each of the 11 boards on this page is a real design using the MCP23017. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.
How big is a typical board using the MCP23017?
The median is 49.6 × 62.4 mm, and 100% are two-layer designs.
What is the most popular open source board using the MCP23017?
By GitHub stars, MainPowerBoard by ParadigmHyperloop, with 11 stars.
Can I simulate one of these boards using the MCP23017 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.