Page 240 - Make Your Own PCBs with EAGLE from Schematic Designs to Finished Boards

FIGURE 11-3 The Part Editor window.

The Part Editor

Let’s take a quick tour of the Part Editor window. The large editor area shows the schematic view of
the part (its symbol). To the bottom right, there is a list of packages available for this symbol. This is
showing two entries, one normal and one with long pads. Above this is the package as it would

appear on the board layout.
You will notice that over on the left of the editor we have a Command toolbar that operates on the
same principal as the Schematic and Board Editors but with a smaller set of commands available.

Devices, Symbols, and Packages

Before we start modifying this part, we need to understand a bit more about how parts are organized
in an EAGLE library. A device has a symbol (this is shown in the schematic); it also has one or more
packages. These will appear on the board layout. The part as a whole is represented as a device. The
device links together the symbol and the packages, as well as specifying the relationship between the