2 open source boards using the MCP23S17T-E/ML
Real designs built with the MCP23S17T-E/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.
STM32Nexrig
alanmimms
300 × 200 mm642 parts6LNo license2
RP2040/RP2350Recline actuator controller
Accessibilita
140 × 100 mm181 parts4LCERN-OHL-S-2.00
The MCP23S17T-E/ML in open source designs
The gallery holds 2 open source boards using the MCP23S17T-E/ML from 2 GitHub repositories; a typical one measures about 220 × 150 mm and carries around 412 components.
100% use four copper layers or more, and 50% carry an open source license.
The most starred is Nexrig by alanmimms.
Microcontrollers on boards using the MCP23S17T-E/ML
What boards using the MCP23S17T-E/ML are built for
MCP23S17T-E/ML: common questions
Where can I find a MCP23S17T-E/ML reference design?
Each of the 2 boards on this page is a real design using the MCP23S17T-E/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 MCP23S17T-E/ML use?
Most are built on RP2040/RP2350 (1) and STM32 (1).
How big is a typical board using the MCP23S17T-E/ML?
The median is 220 × 150 mm, and 0% are two-layer designs.
What is the most popular open source board using the MCP23S17T-E/ML?
By GitHub stars, Nexrig by alanmimms, with 2 stars.
Can I simulate one of these boards using the MCP23S17T-E/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.