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Topic: Arduino UNO not recognized anymore (Read 274 times) previous topic - next topic

iSelector

Hello, I have tried to connect 12V DC input to arduino UNO and from that moment my arduino is not recognized anymore by the computer, and also the reset button making no any effect.
When i put power on the arduino (from usb) the pin 13 led is always ON and also the ON led.
It looks that the arduino got stuck in some state...

In your opinion, my arduino was destroyed?

pert

How did you connect the 12 V to the Uno?

iSelector

How did you connect the 12 V to the Uno?
The arduino have Power jack, and I have 12v 1a adapter...

aarg

The arduino have Power jack, and I have 12v 1a adapter...
Was the Arduino powering any external devices at the time?
  ... with a transistor and a large sum of money to spend ...
Please don't PM me with technical questions. Post them in the forum.

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