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Description: In this project I did a Christmas jumper with rgb LEDs, this can also be a creative clothing project or whatever ...

An optional RGB LED attempts to copy the shade of whatever object you’re aiming at, providing a handy reference to verify it’s working correctly. “ Watch this video on YouTube.

This is a great way to use an LED strip that would have otherwise gone to waste. If you can’t find a scanner with a color wand like this one, you can always start with an RGB strip.