What can you do when somebody gives you an Arduino as a present. “A What???”  What can you do with these little electronic devices?

Here are several applications, together with pictures showing what to connect with what, and the software instructions (sketches) to let the thingies work. You can make fantastic things, but here you will find some bare basics as well as several slightly more complicated devices that I constructed and which I am sort of proud of.

The creators of this microcontroller – and not to forget Lady Ada, deserve a Nobel Prize for ingenuity.


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