The Alhambra board itself looks to be Arduino-compatible ... ve also doubled them with pinheaders in a more hacker-friendly layout: SVG — signal, voltage, ground. This is great for attaching ...

and the phone layout version that does pretty much all the same tricks. Isn’t it time for a full Arduino-compatible keyboard? [ELECTRONOOBS] thinks so. This 41-button Arduino keyboard PCB is a ...

Arduino isn't software - it's hardware ... Modelers have been using them for such layout jobs as detecting block occupancy, controlling signals, indexing turntables, playing sound effects ...