5 open source boards using the MCP23017_ML
Real designs built with the MCP23017_ML, 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.
ESP32
Pilot 6 axis
X-Lemon-X
171 × 83.9 mm125 parts2LMIT2ESP32
Mercurio-RevB
indoor-industry
86.4 × 50.8 mm162 parts4LGPL-3.00ESP32
Penguin bot
jeevan9s
89.5 × 62.6 mm141 parts4LNo license0V5 control
zynthian
241 × 104.5 mm104 parts2LNo license154V5 control rack
zynthian
245.6 × 84.9 mm104 parts2LNo license154
The MCP23017_ML in open source designs
The gallery holds 5 open source boards using the MCP23017_ML from 4 GitHub repositories; a typical one measures about 171 × 83.9 mm and carries around 125 components.
60% are two-layer designs, the rest use four layers or more, and 40% carry an open source license.
The most starred is V5 control by zynthian.
Parts used alongside the MCP23017_ML
Microcontrollers on boards using the MCP23017_ML
What boards using the MCP23017_ML are built for
MCP23017_ML: common questions
Where can I find a MCP23017_ML reference design?
Each of the 5 boards on this page is a real design using the MCP23017_ML. 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 MCP23017_ML use?
Most are built on ESP32 (3).
How big is a typical board using the MCP23017_ML?
The median is 171 × 83.9 mm, and 60% are two-layer designs.
What is the most popular open source board using the MCP23017_ML?
By GitHub stars, V5 control by zynthian, with 154 stars.
Can I simulate one of these boards using the MCP23017_ML 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.