Subject:
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Re: GBC at BrickFest 2006
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Newsgroups:
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lugnet.robotics
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Date:
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Thu, 7 Sep 2006 07:52:22 GMT
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Viewed:
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9121 times
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> 2) Put an actual lego light brick on the far side of the ball chute
> to shine light into the sensor directly.
>
>
> If you choose (2) then block off the sensors own light source. This
> (I believe) will give you the best chance since when the ball blocks
> the light, there is no light bouncing off of the ball from the sensor
> side of the chute - so it doesn't matter whether the ball comes down
> white side up or black side up - or even if someone feeds you a
> basketball (which are brown).
That's the method I used on my own ball counter. During testing, I fed it with
(counted) hundreds of balls, it never missed (or over counted) one.
During LW2005 it counted about 15000 balls a day during a week... some wear now
but still working fine!
Philo
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Message is in Reply To:
 | | Re: GBC at BrickFest 2006
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| (...) There are actually three ways to approach this: 1) Using something reflective on the far side of the ball chute - have the sensors light bounce back into the sensor - so the reading decreases when something gets in the way of the reflected (...) (20 years ago, 6-Sep-06, to lugnet.robotics)
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