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Jul 13, 2006
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Comment: An IR pen is a pen that produces infrared light, in this case using a infrared LED. It …
Comment: Probably. Just the stuff available from a pharmacy. There's no sae rating on the bottle…
Comment: Absolutely true, though of course making it the 'traditional' way is a lot more expensi…
Comment: Theyre probably IR. Most cameras will show IR light as a bluish-violet color on the LCD…
Comment: good point. however the internal resistance of batteries is very high -Im pretty sure f…