 | | Re: Rechargeable Batteries
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(...) Frank, I would *not* use Nicads or NiMH rechargeables. Their full-charge voltage is about 1.25V while alkaline batteries are about 1.55. I have Ray-O-Vac Rechargeable Alkaline batteries. They last several hours of operating time between (...) (25 years ago, 3-Aug-01, to lugnet.robotics.rcx)
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| | Rechargeable Batteries
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Hello, I'm at the point now where I need to get rechargeable batteries for the RCX. The alkaline's are just now making it anymore. Are Nicads OK or should I go the extra step and get nickel metal hydrides (Ni-MH)? How are radio shack's batteries and (...) (25 years ago, 3-Aug-01, to lugnet.robotics.rcx)
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| | LEGO mentioned in September issue of Astronomy magazine
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I just got my September 2001 issue of Astronomy magazine and there is a one page article about the LEGO MINDSTORMS Robotics Invention System, Exploration Mars, and Vision Command. Unfortunately, about 40% of the page is taken up by a picture of the (...) (25 years ago, 3-Aug-01, to lugnet.general, lugnet.robotics.rcx)
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| | Re: Creativity
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IHi Roger, I have been meaning to make this available on the web, but I will try to give a brief explanation in advance. The fuzzy logic line follower that I have worked on also uses two light sensors and rack&pinion steering, but follows a line (...) (25 years ago, 1-Aug-01, to lugnet.robotics.rcx)
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| | Specs for Mindstorms gearmotor?
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I'm working on a project which requires that I model the dynamics of a DC motor being driven by a PWM controller... specifically, the Mindstorms gearmotor being driven by the RCX. Does anyone know where I might find the spec's for the Lego (...) (25 years ago, 1-Aug-01, to lugnet.robotics.rcx)
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| | Re: Creativity
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I think that my "Smart Acrobot" was pretty creative. :) I took the LEGO Acrobot that can flip over and keep driving and added a light-proof box with a light sensor and a handful of yellow bricks inside of it. This way, the light sensor either sees (...) (25 years ago, 31-Jul-01, to lugnet.robotics.rcx)
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| | Re: Creativity
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Hi Jeff, Tell me more about your fuzzy logic line follower. My line follower was always losing track of which side of the line it is on and turning in the wrong direction. It would then stop and use an expanding sweep based on the ideas of Dave (...) (25 years ago, 31-Jul-01, to lugnet.robotics.rcx)
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| | Robocup
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Hi, I was just wondering, are there other people that read this newsgroup that are working on Robocup Jr.? for those of you who dont know what it is: (URL) working on the soccer challenge. (25 years ago, 29-Jul-01, to lugnet.robotics.rcx)
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| | Re: Connectivity for Windows CE?
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(...) There is also a Great program that can upload Firmware, compile NQC, control the Bots directly and send message codes. NQCEdit/RCXControl (URL) also FREE. Dean (25 years ago, 30-Jul-01, to lugnet.dacta, lugnet.robotics.rcx, lugnet.robotics)
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| | Re: Connectivity for Windows CE?
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(...) I have found a new website: (URL) offer a program for windows ce, which can control Mindstorms and Cybermaster. (25 years ago, 30-Jul-01, to lugnet.dacta, lugnet.robotics.rcx)
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