My friends Uno went in washer. I gave it a week to dry and when i plug it in, it works. But when I shake I hear something shaking around inside it. What do I hear shaking around?

  • There is no "inside" to have something shaking around, other than maybe the spaces in the DIP socket. Remove the DIP chip and see if there's something stuck in there. – Majenko Jun 29 at 13:20
  • Unless of course you have it in some form of case, in which case take it out of the case and case the joint. (English is a fun language, isn't it? ;) ) – Majenko Jun 29 at 13:21
  • Ok, I will try your suggestion. (Yes English is.) – Owen Jun 29 at 13:30
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    Maybe it's in the power jack socket. – Majenko Jun 29 at 13:49
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    it is probably the bits in the bit bucket ... lol – jsotola Jun 29 at 15:20

It could be the USB port, barrel jack port, or most likely the pin header. The pin headers are a plastic shell with a two-point prong thing that goes in it. the pin could have desoldered when in the washer. check the pin headers. It might also be the inside of capacitors but that is highly unlikely.

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