> > We would like to avoid using USB because of its complexity. > USB is definitely the best solution if you can get over the hump of > getting started with a programmable device for it. Everything else > means the phone is tethered permanently to your other board.
Just a suggestion: try an AVR microcontroller (judging from your previous post, you already have a uC in there) and the USB firmware implementation from http://www.obdev.at/products/avrusb/index.html . Single large drawback: doesn't do more than low-speed (1.5 MBit). Yours, Florian
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