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help with Checkout Scanner project
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Rookie
Joined: Sat Mar 24, 2012 10:15 am Posts: 6 
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 help with Checkout Scanner projecthi every body im trying to make the nxt Checkout Scanner project wich is found here
http://www.nxtprograms.com/NXT2/checkout_scanner/steps.html by robotc im facing a problem that the color sensor does not give acurate reading according to my code here
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| Sat Mar 24, 2012 10:24 am |
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Rookie
Joined: Sat Mar 24, 2012 10:15 am Posts: 6
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Re: help with Checkout Scanner project any ideas??
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| Sat Mar 24, 2012 10:26 am |
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Rookie
Joined: Fri Jan 27, 2012 6:57 pm Posts: 40
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Re: help with Checkout Scanner project What kind of values is it giving you? How are they different from what you expected?
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| Sat Mar 24, 2012 11:07 am |
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Moderator   Joined: Wed Mar 05, 2008 8:14 am Posts: 2858 Location: Rotterdam, The Netherlands
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Re: help with Checkout Scanner project I think one of the issues is that you are only waiting 1 millisecond between checking the sensor for black and white. What does the original NXT-G program have as a waiting time?
- Xander _________________ | Some people, when confronted with a problem, think, "I know, I'll use threads," | and then two they hav erpoblesms. (@nedbat) | My Blog: I'd Rather Be Building Robots | ROBOTC 3rd Party Driver Suite: [Project Page] |
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| Sat Mar 24, 2012 11:16 am |
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Rookie
Joined: Sat Mar 24, 2012 10:15 am Posts: 6
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Re: help with Checkout Scanner project im using the color sensor in mode (sensorCOLORFUL) so it would return 6 if it see white and 1when black or gray
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| Sat Mar 24, 2012 12:17 pm |
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Rookie
Joined: Sat Mar 24, 2012 10:15 am Posts: 6
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Re: help with Checkout Scanner project if i pass the object with differnt speed the reading would be differnet
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| Sat Mar 24, 2012 12:19 pm |
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Rookie
Joined: Sat Mar 24, 2012 10:15 am Posts: 6
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Re: help with Checkout Scanner project in the orignal project it doesnt depend on the speed all you have to do is to pass the object in less one second
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| Sat Mar 24, 2012 12:21 pm |
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Moderator Joined: Wed Mar 05, 2008 8:14 am Posts: 2858 Location: Rotterdam, The Netherlands
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Re: help with Checkout Scanner project Then why don't you mimic the same behaviour?
- Xander _________________ | Some people, when confronted with a problem, think, "I know, I'll use threads," | and then two they hav erpoblesms. (@nedbat) | My Blog: I'd Rather Be Building Robots | ROBOTC 3rd Party Driver Suite: [Project Page] |
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| Sun Mar 25, 2012 4:02 am |
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Rookie
Joined: Sat Mar 24, 2012 10:15 am Posts: 6
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Re: help with Checkout Scanner project i did but it doesnot give accurate reading
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| Sun Mar 25, 2012 4:24 am |
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