2 open source boards using the MCP23008T-E/ML
Real designs built with the MCP23008T-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.
Radiohat 2.0 Preliminary (not a Hat)
mpvano
85 × 56 mm153 parts4LMIT2
Txfilters
85 × 56 mm88 parts4LMIT2
The MCP23008T-E/ML in open source designs
The gallery holds 2 open source boards using the MCP23008T-E/ML from 1 GitHub repository; a typical one measures about 85 × 56 mm and carries around 121 components.
100% use four copper layers or more, and 100% carry an open source license.
The most starred is Radiohat 2.0 Preliminary (not a Hat) by mpvano.
What boards using the MCP23008T-E/ML are built for
MCP23008T-E/ML: common questions
Where can I find a MCP23008T-E/ML reference design?
Each of the 2 boards on this page is a real design using the MCP23008T-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.
How big is a typical board using the MCP23008T-E/ML?
The median is 85 × 56 mm, and 0% are two-layer designs.
What is the most popular open source board using the MCP23008T-E/ML?
By GitHub stars, Radiohat 2.0 Preliminary (not a Hat) by mpvano, with 2 stars.
Can I simulate one of these boards using the MCP23008T-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.