2 open source boards using the MCP23017T-E_SS
Real designs built with the MCP23017T-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.
IO-expander-MCP23017-breakout hardware design
SolderedElectronics
22 × 38 mm29 parts2LTAPR-OHL-1.04
AVR/ArduinoEUPLA CONE CORE
PineConeMechatronics
76.2 × 54 mm95 parts2LCERN-OHL-P-2.01
The MCP23017T-E_SS in open source designs
The gallery holds 2 open source boards using the MCP23017T-E_SS from 2 GitHub repositories; a typical one measures about 49.1 × 46 mm and carries around 62 components.
100% are two-layer designs, the rest use four layers or more, and 100% carry an open source license.
The most starred is IO-expander-MCP23017-breakout hardware design by SolderedElectronics.
Microcontrollers on boards using the MCP23017T-E_SS
What boards using the MCP23017T-E_SS are built for
MCP23017T-E_SS: common questions
Where can I find a MCP23017T-E_SS reference design?
Each of the 2 boards on this page is a real design using the MCP23017T-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 MCP23017T-E_SS use?
Most are built on AVR/Arduino (1).
How big is a typical board using the MCP23017T-E_SS?
The median is 49.1 × 46 mm, and 100% are two-layer designs.
What is the most popular open source board using the MCP23017T-E_SS?
By GitHub stars, IO-expander-MCP23017-breakout hardware design by SolderedElectronics, with 4 stars.
Can I simulate one of these boards using the MCP23017T-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.