 | | Re: RCX Virus? —Claude Baumann
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| | | (...) The original firmware is a very stable piece of software. The only moment that we ever had serious problems with it was linked to our robot GASTON while being used in the same room with a 10 desktop Mindstorms robotics course. Some parasite IR (...) (18 years ago, 16-May-06, to lugnet.robotics)
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| | | | | Re: RCX Virus? —Jonathan Spitz
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| | | | ok, I finally got to trying some of the stuff you recommended. I recharged the batteries and tried downloading the firmware. It can run the whole program without the motors being plugged in. It can even run the program with all motors plugged in but (...) (18 years ago, 19-May-06, to lugnet.robotics)
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| | | | | | Re: RCX Virus? - battery output and RCX performance —Bruce Boyes
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| | | | | (...) The Lego geared motors can pull about 250 mA when stalled, and close to that when heavily loaded. So for three motors, that may be more current than your batteries can deliver. Rechargeable batteries, esp NiMH, don't deliver the same peak (...) (18 years ago, 19-May-06, to lugnet.robotics)
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| | | | | | | Re: RCX Virus? - battery output and RCX performance —Philippe Hurbain
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| | | | | | (...) I think that NiMH should be up to the task at that power level (difference between NiMH and NiCd occur at much higher discharge rate). But maybe there is one or more dead cell that cant't hold its charge? Since NiMH provide 7.2V instead of 9V, (...) (18 years ago, 19-May-06, to lugnet.robotics)
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| | | | | | Re: RCX Virus? —steve
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| | | | (...) But (critically) not ALL of the stuff! (...) What I suggested was that your rechargable batteries are at the end of their lifespan. Buy a set of regular NON-RECHARGEABLE batteries and see if everything works OK then. If it does then toss out (...) (18 years ago, 19-May-06, to lugnet.robotics)
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