Show off serial functionality.
Arduino servo control
Note: on Mac OS X Lion, it's necessary to update USB Serial drivers:
This app displays a slider that, when dragged, causes a servo attached to an Arduino to move. The Arduino sketch is included and should be uploaded to the Arduino.
See the source code at https://github.com/GoogleChrome/chrome-app-samples/tree/master/servo
This version was built from git commit d0e4bdf https://github.com/GoogleChrome/chrome-app-samples/tree/d0e4bdf/servo