 | | Optical card reader for the RCX
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Hello ! , I'm trying to do a optical card reader using the light sensor of the RCX. I put on a 8x6 board different 2x1 smooth piecies of varios colors ,then i slice them near to the light sensor and i got different value depending of which color the (...) (24 years ago, 28-Sep-00, to lugnet.robotics)
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| | Re: Optical card reader for the RCX
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(...) I think you would be better off looking for changes in brightness rather than absolute values. That way, you could figure out what's going on without having to worry about the speed at which the 'card' is moving past the detector. With your (...) (24 years ago, 28-Sep-00, to lugnet.robotics)
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| | Re: Optical card reader for the RCX
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"Giacomo" <lego-robotics@crynwr.com> wrote in message news:NDBBIEKBGLHLJPC...bero.it... (...) correctly (...) I read Steve sugestions and they are great. So here comes another option: You can avoid the sync problem by avoiding the timing technique (...) (24 years ago, 1-Oct-00, to lugnet.robotics)
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