> That's an interesting idea! Another idea is a photodiode for a sensor
> and a laser diode for illumination. The laser diode would light a very
> small area so you would not need much, if any, optics on the detector

I have some IR laser diodes and optics from scrapped CD drives. It
would certainly add street cred if I could say the scanner uses lasers
and fibre optics !

Thanks

Joe
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