In this screencast you see how to build a basic remote from rows and buttons and how to learn and assign IR codes. With the new Learn IR Codes Assistant this is a straightforward process. 

Popup Window: iRed20CreateBasicRemote.mov (3:48 min, 11.2 MB, 768x576 pixel, use context menu to download movie file)

In this screencast, a very basic design is used. To see how to improve the design, please see the next screencast Fine-Tune a Remote's Design.