 | | RE: nqc question
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Roel, If it's not critical to monitor/control the motor with the RCX, you could use Lego's 9V battery box (part #5391 on S@H). It has a pushbutton-type switch. This saves you a motor port, sensor port, and programming. However, it is larger and not (...) (23 years ago, 16-May-02, to lugnet.robotics)
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| | Re: latest legOS strangeness
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I was torn between 'float' and 'brake' when implementing the remote control handler. I eventually opted for 'brake' since that is how the Lego RCX firmware does it. With regard to the strange motor behavior. I too noticed this while debugging the (...) (23 years ago, 16-May-02, to lugnet.robotics.rcx.legos)
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| | Re: nqc question
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(...) What combinations of if while and until did you use? I'm not sure if you tried this already, but I would think that you could simply use the following code: while(1) { if(SENSOR_X == 1) On(OUT_Y); until(SENSOR_X == 0) } that should check it (...) (23 years ago, 16-May-02, to lugnet.robotics)
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| | output to input connection
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I was sitting at my desk trying to figure out what it would take to send a variable value to the computer using NQC, and I couldn't figure anything out. I thought I might be able to use datalogging with a rotation sensor and a motor, but then I (...) (23 years ago, 16-May-02, to lugnet.robotics)
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| | nqc question
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I want to have a motor turn as long as i press a touch sensor and stop when i release it. This is probly a very simple problem but I cant seem to solve it. I tried if while and until but for some reason it didn't work *** email: (...) (23 years ago, 16-May-02, to lugnet.robotics)
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| | BrickFest 2002 Presenters Wanted
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BrickFest 2002 is putting extra focus on both Technic and Mindstorms activities this year. With that in mind, the organizers are looking for individuals or organizations who are interested in giving related presentations. There are already a few (...) (23 years ago, 16-May-02, to lugnet.robotics, lugnet.technic)
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| | Custom ROboloab Investigator projects
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does anyone know of any documentation on creating custom projects for use in robolab investigator? the manual at the tufts site ((URL) suggests such a thing exists but i haven;t been able to track it down asa yet TIA tony (23 years ago, 16-May-02, to lugnet.robotics.rcx.robolab)
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| | Re: latest legOS strangeness
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(...) Nope, shorting the motors has no effect on the batteries actually.. when you spin the motor, it acts like a generator... by shorting out the motor you are actually using the motors own reverse emf (electromotive force) to brake system. I (...) (23 years ago, 16-May-02, to lugnet.robotics.rcx.legos)
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| | Re: Robotics Courses
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Hi, Firstly, can I say that the book mentioned in a previous post on this thread, and its sister publication regarding Lejos, are excellent; I received evaluation copies for a new module we are developing - see later - and they are to be recommended (...) (23 years ago, 16-May-02, to lugnet.robotics)
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| | Re: latest legOS strangeness
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(...) To ansswer my own question. The problem was caused by memory corruption. In this case the memory corruption was caused by downloading a very large program in slot 1, and a small program in slot 7. The loading of the program in slot 1 seems to (...) (23 years ago, 16-May-02, to lugnet.robotics.rcx.legos)
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