5 open source boards using the MCP23017X-X-SP
Real designs built with the MCP23017X-X-SP, 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/RP2350FREEBOARD
Ningheim
314.3 × 161.9 mm360 parts2LMIT2
ESP32T8-Sequencer
lluisestape-upc
290 × 210 mm96 parts2LMIT1
PICUsb controller-32
jcksnvllxr80
194.3 × 109.2 mm93 parts2LNo license1
RP2040/RP2350Keyboard
ShadowFox88
466.6 × 138.7 mm427 parts2LNo license0
ESP32Folding ereader
felix-myrie
86 × 46.7 mm20 parts2LNo license0
The MCP23017X-X-SP in open source designs
The gallery holds 5 open source boards using the MCP23017X-X-SP from 5 GitHub repositories; a typical one measures about 290 × 138.7 mm and carries around 96 components.
100% are two-layer designs, the rest use four layers or more, and 40% carry an open source license.
The most starred is FREEBOARD by Ningheim.
Microcontrollers on boards using the MCP23017X-X-SP
What boards using the MCP23017X-X-SP are built for
MCP23017X-X-SP: common questions
Where can I find a MCP23017X-X-SP reference design?
Each of the 5 boards on this page is a real design using the MCP23017X-X-SP. 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-SP use?
Most are built on ESP32 (2), RP2040/RP2350 (2) and PIC (1).
How big is a typical board using the MCP23017X-X-SP?
The median is 290 × 138.7 mm, and 100% are two-layer designs.
What is the most popular open source board using the MCP23017X-X-SP?
By GitHub stars, FREEBOARD by Ningheim, with 2 stars.
Can I simulate one of these boards using the MCP23017X-X-SP 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.