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Posted by Dave on August 10, 2005, 8:26 am
> Hi I hope someone may be able to help me . I have a small line
> following robot kit ,that uses 3 IR sensors to detech the black tape ,
> it works great ,but for what I need the tape is to wide . The tape is
> about 3/4 inch or 20mm wide & I need to go down to about 1/16 inch or
> 1.5 mm . The three sensors are about 1/2 inch or 12mm apart , if i move
> the sensors closer together will it change the line width. I hope to
> use it for a profile cutter for my plasma cutter.
> thank you Allan
If you are following an edge, why does the width of the tape matter ? This
sounds like a very crude sort of line following - probably it is bouncing
from one edge to the other ? Depending on how the line following is
implemented, altering it to work from a single edge may be quite simple.
You could be in for BIG problems trying to run simple electronics next to a
plasma cutter - they generate a lot of electrical noise. You will almost
certainly need something that is properly screened.
have fun !
Dave
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> following robot kit ,that uses 3 IR sensors to detech the black tape ,
> it works great ,but for what I need the tape is to wide . The tape is
> about 3/4 inch or 20mm wide & I need to go down to about 1/16 inch or
> 1.5 mm . The three sensors are about 1/2 inch or 12mm apart , if i move
> the sensors closer together will it change the line width. I hope to
> use it for a profile cutter for my plasma cutter.
> thank you Allan