L.E.D. Testers at the space

LED tester

Image credit: Jim Williams

Have you seen these cool little devices at the space recently? ¬†One of our members came up with this simple hack for figuring out if your LED is still working or not. (Also it can tell you which lead is the anode if you’re not sure.) ¬†Check out Jim’s blog where he detailed more about how he put these together.

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