Optical paper tape readers

From: Glen Slick <glenslick_at_hotmail.com>
Date: Tue Nov 26 13:04:53 2002

I was hoping there might be some sort of preassembled optical sensor array
available with the right spacing for paper tape holes, but maybe that is
hoping for too much. If you build one with discrete sensors, is it easy to
find ones that are narrow enough to stack side to side with the correct
spacing?


>Hi
> Ahh, such concepts as make one come to mind. You could
>scrap a number of mice for the optical sensors ( two for
>each axis, 4 total per mouse ) or you could buy photo
>transistors from Jameco. In a pinch, the clear lensed
>LED's make reasonable detectors.
> Use a little imagination.
>Dwight


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Received on Tue Nov 26 2002 - 13:04:53 GMT

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