 | | Re: ABB irb340 PickMaster —Iain Hendry
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| | | "Ralph Hempel" <rhempel@bmts.com> wrote in message news:NEBBIJADEJHLFJD...mts.com... (...) Ralph, I'd love to try using servos sometime; but until I can find a practical way to get more than two positions, I think I'm going to have to stick to using (...) (24 years ago, 31-Jan-01, to lugnet.robotics)
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| | | | | Re: ABB irb340 PickMaster —Steve Baker
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| | | | (...) The problem is that servo's are driven by signals that are considerably narrower than the 1/100th second resolution timers that the Lego firmware provides. They use pulse-width modulation - so the width of the pulse determines the position of (...) (24 years ago, 1-Feb-01, to lugnet.robotics)
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| | | | | | Re: ABB irb340 PickMaster —Iain Hendry
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| | | | "Steve Baker" <lego-robotics@crynwr.com> wrote in message news:3A78DBA9.F3C3D2...ail.net... (...) way (...) using (...) narrower (...) They (...) position (...) new (...) a (...) pulse (...) that. (...) something (...) hardware (...) Well, (...) (24 years ago, 1-Feb-01, to lugnet.robotics)
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| | | | | | RE: ABB irb340 PickMaster —Ralph Hempel
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| | | | (...) The pbForth language has servo driving words built-in to the current release. They allow at least 128 steps of resolution for driving servos. Combined with the dead-simple circuit on my web-page, it makes driving servos very easy... (URL) (...) (24 years ago, 1-Feb-01, to lugnet.robotics)
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| | | | | | RCX 2.0's tower has a USB port —Richard Clemens
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| | | | Or at least I hope it does... Does anyone have a good USB to serial adaptor that actually works well for my RCX 1.0? -- Richard Clemens clemens@wvwc.edu (24 years ago, 1-Feb-01, to lugnet.robotics)
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| | | | | | Re: RCX 2.0's tower has a USB port —Todd Hakala
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| | | | | on 2/1/2001 3:45 PM, Richard Clemens at clemens@wvwc.edu blathered on and on about: (...) I assume from the USB reference that you want to use the IR tower with a USB Mac. Short answer: Yes, you can. I use the IR tower to transmit MacNQC programs to (...) (24 years ago, 3-Feb-01, to lugnet.robotics)
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| | | | | | Re: RCX 2.0's tower has a USB port —Kevin Hayes
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| | | | (...) I just got the Keyspan USB->PDA adapter. It works great on my iBook using MacNQC with an RCX 1.0 (using 2.0 firmware). Cheers, Kevin (24 years ago, 4-Feb-01, to lugnet.robotics)
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