ROBOLAB : 460


Robotics / RCX / ROBOLAB / 460	459 \| 461

Subject:	roboarm activities
Newsgroups:	lugnet.robotics.rcx.legos, lugnet.robotics.rcx.robolab
Date:	Sun, 2 Oct 2005 05:25:06 GMT
Viewed:	5511 times

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 wrapped in black tape and drop it off at a container wrapped up in black tape. I was hoping that the tin foil can produce a much lighter value as it should 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? Thanks in advance!!! -- Elizabeth Mabrey -- MIME ATTACHMENTS DISCARDED: 1. Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable Content-Length: 2528

Message has 1 Reply:

		Re: roboarm activities
(...) 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 (...) (19 years ago, 3-Oct-05, to lugnet.robotics.rcx.legos, lugnet.robotics.rcx.robolab)

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