For those starting out in Arduino, there are tons of resources to get better acquainted with the community and the types of projects you can tinker with.

Theremin – Simple Build 1 Now you can build a simple Light/Optical Theremin next to nothing. Thanks to the support of the Arduino microcontroller – very few external parts are needed! First, note that ...

The Arduino comes with open-source software written in Java that will make creating code for a project easy, as it'll run on Windows, Mac, and Linux operating systems.