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Can I repair a zapped UNO R3?

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Carelessly I applied 12V to the 5V pin while breadboarding a project. :(

I now get no signs of life from the board. And applying 9V via the board's jack socket from my bench power supply indicates a direct short.

I've placed an order for a replacement board but, expense apart, it seems such a waste. Is there a fuse anywhere or anything else I can try to repair it please?

(I've posted simultaneously here and to the arduino.cc forum.)

Terry, East Grinstead, UK

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