2 open source boards using the MCP23S17-E/SS
Real designs built with the MCP23S17-E/SS, 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.
STM32EEZ DIB MCU r1B2
eez-open
139 × 70 mm191 partsTAPR-OHL-1.0391
STM32EEZ DIB MCU r1B1
139 × 70 mm190 partsTAPR-OHL-1.0391
The MCP23S17-E/SS in open source designs
The gallery holds 2 open source boards using the MCP23S17-E/SS from 1 GitHub repository; a typical one measures about 139 × 70 mm and carries around 191 components.
100% carry an open source license.
The most starred is EEZ DIB MCU r1B2 by eez-open.
Microcontrollers on boards using the MCP23S17-E/SS
What boards using the MCP23S17-E/SS are built for
MCP23S17-E/SS: common questions
Where can I find a MCP23S17-E/SS reference design?
Each of the 2 boards on this page is a real design using the MCP23S17-E/SS. 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-E/SS use?
Most are built on STM32 (2).
How big is a typical board using the MCP23S17-E/SS?
The median is 139 × 70 mm.
What is the most popular open source board using the MCP23S17-E/SS?
By GitHub stars, EEZ DIB MCU r1B2 by eez-open, with 391 stars.
Can I simulate one of these boards using the MCP23S17-E/SS 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.