Description: Example code for using the Arduino UNO as an Android Accessory. Hardware dependencies: * Arduino UNO * USB Host Shield 2.0 from Circuits@Home * Android device with at least version 2.3.4 * Optional: A LED Software dependencies: * Eclipse for Java (or similar IDE for Android application development) * Google SDK * Google APIs Add-On version 10 (not needed if target device is 3.2 or greater) * Arduino core library (comes with the Arduino IDE) * USB Host shield library 2.0 from Circuits@Home