Arduino megaADK and Nexus5 communication Issue

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my nexus5(kitkat 4.4.4) not recognizing arduino mega adk, serial monitor of arduino ide displaying

"device addressed... requesting device descriptor. found possible device. switching serial mode not read device protocol version"
when i'm using usbhost version-1 library.

and serial monitor shows nothing when i'm using usbhost version-2 library...

bit late worked me connecting nexus 5 megaadk...

http://neandertal-nanospace.blogspot.co.uk/2013/11/android-phone-and-arduino-mega-adk-board.html


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