 | | Re: HandyBoard A/D converter?
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The 68HC11 has references for the range of the A/D converter. In the HB design they are hardwired to 0 and +5. I believe the pin is Vrh at (URL) and is currently wired to +5. --chris prosser From the motorola manual: 2.2.7 A/D Reference and Port E (...) (25 years ago, 26-Feb-00, to lugnet.robotics.handyboard)
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| | Re: colour sensor caliberation
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May I suggest you test your system for response to invisible light? You could shine an Infrared LED onto it to see what you read. There are also "UV Cutoff" Filters available at photography shops supplying color darkroom equipment (UV from the bulb (...) (25 years ago, 26-Feb-00, to lugnet.robotics.handyboard)
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| | Re: KIPR Kit
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Hi, In the kit you will find a number of pulleys about 1 inch in diameter. These are narrow enough to fit through the sensor. They have six holes in them and if they are on an axle, will give you 12 pulses per revolution - 2 pulses per hole. One (...) (25 years ago, 26-Feb-00, to lugnet.robotics.handyboard)
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| | HandyBoard A/D converter?
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Dear Handy Board Masters, I am trying to use the handy board for some A/D conversions. The converter is set up on a 5 volt scale, the converter is an eight bit converter. Over this range I get a resolution of 19.5mV per Step. My application is (...) (25 years ago, 26-Feb-00, to lugnet.robotics.handyboard)
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| | LUGNET spammed (was: Semiconductor Specific Search Engine)
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Hey, folks, (and Todd Lehman in particular) Did you catch this spam over in lugnet.robotic.handyboard? I hope that this trend doesn't continue. :^( LUGNET is one of the few Internet institutions I use that is nearly 100% content, and spam-free. (...) (25 years ago, 26-Feb-00, to lugnet.robotics.handyboard, lugnet.general)
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