 | | Re: Weird downloading error
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Just some general ideas. If you're not using the firmdl or lejosfirmdl that came with lejos, try using one of those. Some versions of some downloaders have trouble with the lejos firmware. If you haven't tried fresh batteries in your RCX, try that. (...) (22 years ago, 25-Nov-03, to lugnet.robotics.rcx.java)
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| | Re: multiple motors
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(...) I'm just thinking out loud here, but it seems that the problem with the two middle motors is that they are wired together. So even if the RCX is told to float the motor output, both motors will want to turn together. If one turns, it will act (...) (22 years ago, 25-Nov-03, to lugnet.robotics.rcx)
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| | Re: multiple motors
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(...) Well, I've never actually tried running six motors directly from the RCX. However, I have used three motors to drive a sumo robot. And I've also used four motors (two on each side) to drive six wheels (two on the right, two on the left, and (...) (22 years ago, 25-Nov-03, to lugnet.robotics.rcx)
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| | Re: HELP, please! USB tower problems
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(...) night by (...) again. (...) I assume you have already done this, but I would like to ask anyway: Have you installed all the Windows updates? I do know for a fact that (for Windows XP anyway) that Service Pack 1 included updated USB drivers. I (...) (22 years ago, 25-Nov-03, to lugnet.robotics)
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| | Weird downloading error
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Hello ppl, I have this weird problem where I can't seem to download the lejos firmware completely onto the RCX. The counter on the RCX lcd counts up to 20 as the firmware is downloaded while the LCD also shows a weird 'V' sorta symbol on the far (...) (22 years ago, 25-Nov-03, to lugnet.robotics.rcx.java)
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| | Re: HELP, please! USB tower problems
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(...) Hello Alex, I have done as you suggested. I have a game pad and seems to work without problems. I know my computer does not have any virus because it is scanned every night by our server. Any other ideas? I guess I will have to unistall (...) (22 years ago, 25-Nov-03, to lugnet.robotics)
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| | Re: HELP, please! USB tower problems
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Hi, I would try this. 1. Using any other USB based device and test the USB port. 2. Scan the machine for viruses. Looks like you driver is getting uninstalled by an application. ( This is my own idea). Hope this helps. Alex Jayasundara ----- (...) (22 years ago, 24-Nov-03, to lugnet.robotics)
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| | Re: multiple motors
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(...) ...I love understatment. sigh... (...) OK, in trying to implement this I've come to an interesting impasse. Calculations suggest that for a 4 lb sumobot with reasonable tires would "benefit" from six motors, three on each side (differential (...) (22 years ago, 25-Nov-03, to lugnet.robotics.rcx)
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| | JCB JS220 Excavator
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I have finished the webpage for my JCB JS220 Excavator model and placed it online here :- (URL) The model is pneumatic/electric and is operated by a separate hand controller which also contains the pneumatic pump and pressure cutoff switch. Purists (...) (22 years ago, 25-Nov-03, to lugnet.announce.moc, lugnet.technic, lugnet.robotics, lugnet.build, lugnet.loc.uk, lugnet.modelteam, FTX) !!
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| | Re: HELP, please! USB tower problems
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I have check under USB Lego Tower Diagnost and it reads: The driver failed the AddDevice request (0x!F) Hope this helps. Thanks again, Ruth (...) (22 years ago, 24-Nov-03, to lugnet.robotics)
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