I think I let the magic smoke out of my arduino uno r3

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while intently working on project board fell out of hand , come in contact 12v on bottom side of board 2-3 sec or so. think selled magic smoke , flashing light stays solidly lit. second time ever played it. wife "upset" $20+ down drain. way out of dog house fixing board. thanks

i taking out dinner trying loop-back test try see part damaged. if processor chip, , if plugged socket (not surface mounted) can replace $5. might voltage regulator or other part. measure few points (eg. 5v, 3.3v) , see if expected voltage there.


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