At 10:39 PM 22/11/02 -0500, you wrote:
>Does anyone know what technology is used on the DRO's used on metalworking
>machine tools?
>The ones I had used what they called "glass slides", one for each axis. I
>never took one apart to look closely, but I have searched for this and come
>up short. I would think this would make an interesting PIC project for all
>of us with home workshops....
>Chris

They are either variable capacitors or resistors. You can buy the strips
from several places.

Dave

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