Click Sketch > Verify / Compile to make sure the code is properly in there. Save the file and then attach the Arduino to your computer with the USB cable. Click File > Upload.

It can also be daunting to get started. Here, we’ll show you how to get a start-to-finish Arduino primer with a killer project: building a sweet robot arm.

Programming means understanding how code interacts with actual computer hardware. If you want to get a visceral (and fun) understanding of programming, start with an Arduino.