USB Host Shield ADK 2.0 Compatible Google Android ADK For Arduino UNO MEGA R3 Description: Compatible the google android ADK, supporting android phone: G1, Nexus One, Nexus S, Motorola Droid X Mobile systems need to upgrade to Android 2.3.4, tablet PC need to upgrade to Android 3.1 Compatible with Arduino following hardware: Arduino Mega 2560 Arduino Mega 1280 Arduino UNO 328 Arduino Diecimila \/ Duemilanove 328 To achieve the Arduino USB host function, you can communicate with other USB devices, and with USB HUB function Package included: 1 x USB host shield module