Fifty shades of Gray

Ever wondered what happens to an alumininium copper clad board when left at 270ºC for a few hours? nope?…

…damn, you still lack imagination!

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The connectors should be white. XD
Surprisingly, the boards lit!, I wasn’t expecting them to. However, all the solder joints failed if touched:

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Well, live and learn, some say.

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Now, back to work, for a while.

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