A quick polarity tester
A little gadget was found in an article in QST, made with 1 pair of powerpole connectors a resistor and two leds
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You will find this resource in just one category on our links directory. The title of the main category is Electronics and it deals mainly with Electronic & Radio Theory. The resource has been on our site since Saturday Nov 2 2013, and it has been viewed 301 times. So far no one has rated it yet. Be the first to rate it!Rate this resource
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