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On Sun, 2 Oct 2005, Elizabeth Mabrey wrote:
> reflect the light from the light sensor, but it does not. I guees I have to
> use white tape instead of the tin foil. Meanwhile, I am hoping that I can
> add in another color, instead of just white & black. Any suggestion?
I found that either rotating a colour wheel in front of the sensor(with
its distance LED off) in combination with a white light -or- using a
coloured LED at a _very_ close distance works well; i.e. most materials
give a marked response as long as you try all 3-4 colours filters/LED's in
succession. But I do need to feed my bricks through a tunnel to dampen out
the normal sun ligth enough.
Dw.
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Message is in Reply To:
 | | roboarm activities
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| Hi, questions to all the guru out there. I have spent 20 hours on this roboarm. I am hoping to make it work like a color sorter. - pick up a ball wrapped in tin foil and drop it off at a container wrapped up in tin foil as well. - pick up a ball (...) (19 years ago, 2-Oct-05, to lugnet.robotics.rcx.legos, lugnet.robotics.rcx.robolab)
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