Talk:LED Lighting

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Revision as of 08:42, 18 October 2015 by John Stockton (talk | contribs) (Base flat; 3 V 330 R)
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Memory tells me that, for cylindrical LEDs as in the diagram, the flat on the base indicates negative. I imagine that applying 3 volts through 330 ohms would be a suitable test. John Stockton (talk) 09:42, 18 October 2015 (BST)