Hello!!! Today I will be showing you how to build the L.E.D Tester and Container Jar. I always lose my leds and mix my burnt ones with the good ones. To get rid of this problems and protect my leds from getting lost I built this project. Its stores the leds in the jar and you can test if they work o...By: sarju7
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from Instructables: exploring - technology - robots http://ift.tt/1t2z6cM
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