6 open source boards using the MCP23008-XSO
Real designs built with the MCP23008-XSO, 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.
ESP32Security-Alarm-Panel
Matyas604
100 × 73.9 mm113 parts2LGPL-3.01
RP2040/RP2350Soup Pad
souptik-samanta
88.9 × 150 mm61 parts2LNo license1
ESP32Rev0
Hasatio
67.3 × 96.9 mm125 parts2LNo license0
AVR/ArduinoUsbcounter
swharden
91.4 × 60.9 mm45 parts2LMIT25
ESP32Rev1
67.3 × 96.9 mm108 parts2LNo license0
ESP32SMD
69.2 × 55.6 mm92 parts2LNo license0
The MCP23008-XSO in open source designs
The gallery holds 6 open source boards using the MCP23008-XSO from 4 GitHub repositories; a typical one measures about 79 × 85.4 mm and carries around 100 components.
100% are two-layer designs, the rest use four layers or more, and 33% carry an open source license.
The most starred is Usbcounter by swharden.
Microcontrollers on boards using the MCP23008-XSO
What boards using the MCP23008-XSO are built for
MCP23008-XSO: common questions
Where can I find a MCP23008-XSO reference design?
Each of the 6 boards on this page is a real design using the MCP23008-XSO. 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 MCP23008-XSO use?
Most are built on ESP32 (4), AVR/Arduino (1) and RP2040/RP2350 (1).
How big is a typical board using the MCP23008-XSO?
The median is 79 × 85.4 mm, and 100% are two-layer designs.
What is the most popular open source board using the MCP23008-XSO?
By GitHub stars, Usbcounter by swharden, with 25 stars.
Can I simulate one of these boards using the MCP23008-XSO 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.