Verdigis on circuit board

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  • redboat219
    Admiral

    • Dec 2008
    • 3381

    #1

    Verdigis on circuit board

    Noted some greenish discoloration on my Microgyro pitch controller.
    What could have caused it?
    Unit was in cabinet but never been in the water. Unit works just fine when tested. Click image for larger version  Name:	20241002_161738.jpg Views:	0 Size:	48.0 KB ID:	182947
    Last edited by redboat219; 10-02-2024, 09:10 PM.
    Make it simple, make strong, make it work!
  • DrSchmidt
    Rear Admiral

    • Apr 2014
    • 1242

    #2
    Copper oxide is green....corroded contact?

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    • wlambing
      Commander

      • Nov 2020
      • 361

      #3
      High humidity has allowed build-up of copper oxide (verdigris) on the wire at the solder joint. Careful application of isopropyl alcohol with a cotton swab will remove it.

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