I am working on a remote controlled electronics project and I had the interesting idea of using my DROID as an RX receiver. I could easily connect to it through the web, but I would like to be able to send and possibly even receive data through the USB port on the phone. I can send and receive serial signals from my microprocessor, but how would I interface that to the USB port? Have it emulated as a serial port? How is this done in Java? Any help/insight would be greatly appreciated.