I started a project that seeks to do something similar. My application is home automation. I'm using an inexpensive android tablet connected directly to an arduino (no ADK needed) to control a light switch and sense the environment. More info here: http://code.google.com/p/the-ultimate-light-switch/
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I started a project that seeks to do something similar. My application is home automation. I'm using an inexpensive android tablet connected directly to an arduino (no ADK needed) to control a light switch and sense the environment. More info here: http://code.google.com/p/the-ultimate-light-switch/