Modern micro-controllers are absolute marvels, but it isn’t too many projects use one and nothing else. For an example of such simplicity, take a look at [oyama]’s Pi Pico MIDI looper.

Create a customizable smart desk controller to adjust height, control lights, and more. Perfect for DIY enthusiasts and smart ...

The Star Trek tricorder was a good example of a McGuffin. It did anything needed to support the plot or, in some cases, ...