8U vs 16U

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functionally difference? , there advantage either beyond cost of board?
there approximate $10.00 cost differential, notice, in scanning ebay's prices.
the difference there in mega 2560's @ same level.
or 'last years models'?.

doc

the 16u2 same 8u2 except has 8kb more flash. no real difference normal use has potential better usb firmware supporting, example, usb serial , hid keyboard/mouse/joystick @ same time.


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