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Test your bare LEDs with a set of hacked tweezers - and don't worry about polarity!
First off, let's announce the caption contest winner - Member #311485 and his caption seen below. Congrats! Check your email for information about receiving your prize (a SparkFun Inventor's Kit!).
Now on to our post. Today we'd like to direct your attention to a new tutorial written by our testing guru Pete Lewis. Pete found a great hack to quickly and easily test LEDs using a pair of fast-switching tweezers.
Pete used an Arduino Pro Mini, some multimeter tweezers, and a few other pieces to create a quick solution for testing out LEDs you have laying around. Is it red? Is it green? Is this the LED that I accidentally destroyed? These tweezers make answering these questions easy. Here is the wish list with the parts you'll need to build your own:
Check out the full tutorial to see how to put together a pair of your own. Happy hacking!