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Messages - harty83

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What is the battery life of these pens?  Are the batteries replaceable?

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IR Pens / dumb question
« on: August 20, 2008, 11:57:26 PM »
Okay so I'm not electronically savvy.  I bought an IR LED from radioshack.  When running power through it (which it does tested by a whatever they call it meter, the LED does not light up.  Is that suppose to be th case?  I know IR is invisible to the naked eye but just wanted to make sure before I go to putting things together. If that is the case, is there a way for me to test that it does work before I put it all together?  Or am I just an idiot? ;-)

Thanks!
Alan

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