Gentlemen:
In the link that I posted above "Fun With LEDs" I anticipated most of the objections that have been raised here and I tried to address them. I explain what an LED does in the simplest terms; I point out the necessity to hook up the plus and minus leads properly, and I identify the leads with a picture. I do give the equations for computing the value of the resistor, with an explanation; but I also provide a simple look up table so that no math is necessary. Finally I give a "one size fits all" choice for the resistor value.
I go on to illustrate, with pictures, test set-ups that many people should be able to duplicate.
Does this address most of the concerns with keeping it simple? Do you find this helpful? What should be done to improve it?
TT
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