<a href="../../guide/topics/connectivity/usb/accessory.html">
        USB Accessory Dev Guide</a></li>
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<p>The Android Accessory Development Kit (ADK) for 2012 is the latest reference implementation of an
<a href="http://source.android.com/tech/accessories/index.html">Android Open Accessory</a> device,
designed to help Android hardware accessory builders and software developers create accessories
for Android. The ADK 2012 is based on the <a href="http://arduino.cc">Arduino</a> open