The Arduino is an open source hardware and software platform that is incredibly powerful yet easy to use. You can look at and download the code from any of the Arduino repositories on GitHub here: https://github.com/arduino. This platform has captured the imagination of electronic enthusiasts and the maker community everywhere. It enables people to inexpensively experiment with electronic prototypes and see their projects come to life. These projects can range from simply making an LED blink or recording the temperature to controlling 3D printers or making robots.
While there are numerous models of the Arduino, in this book we will primarily be using the very popular Arduino UNO R3 board. The following photograph ...
