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Topic: accidently plugged laptop charger to arduno help (Read 77 times) previous topic - next topic


Sep 16, 2020, 04:14 am Last Edit: Sep 16, 2020, 04:30 am by t4h232
oh its still working weirdly now.


Please Check the internet before posting!!!
#Learn how to use the FORUM - https://forum.arduino.cc/index.php?topic=148850.0



Could you also take a few moments to Learn How To Use The Forum.
Other general help and troubleshooting advice can be found here.
It will help you get the best out of the forum in the future.

Even my crystal ball does not know what you mean by "working weirdly now."   :smiley-eek:

It may not be the answer you were looking for but its the one I am giving based on either experience, educated guess, google (who would have thunk it ! ) or the fact that you gave nothing to go with in the first place so I used my wonky crystal ball.


Sep 16, 2020, 01:39 pm Last Edit: Sep 16, 2020, 01:40 pm by JohnLincoln
oh its still working weirdly now.
Do you mean:

    weirdly, i'ts still working now           (meaning its working correctly, and you were somewhat surprised)


    it's working weirdly now.                (meaning there is some undisclosed fault that you want help with)

The voltage regulator connected to the barrel jack is rated at 20V maximum input voltage.
Most laptop power supply/battery chargers are a lower voltage than this.

So it is likely to survive, however the regulator would get hot with prolonged use in that condition.

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