 | | Re: Measuring robot turn angle
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(...) I have done this, although not with a differential. My solution used a rotation sensor on each axel, and good navigation can be done with that. Since you can guarantee that both axels turn the same amount, a single rotation sensor should be (...) (24 years ago, 10-Jan-02, to lugnet.robotics.rcx.legos)
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| | site update
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For all of you who have not been to the site for a while because it's kinda boring. there are a few updates that you may want to look at. torsen differential added, credit goes to the person who designed it (let me know so i can give the proper (...) (24 years ago, 10-Jan-02, to lugnet.robotics, lugnet.technic)
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| | Re: Measuring robot turn angle
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(...) Robert, I have been playing with this problem a bit. Another approach is to power each tread with a separate motor, use a differential assembly to add the shaft rotation from both sides and use a rotation sensor to 'control' to a zero (...) (24 years ago, 10-Jan-02, to lugnet.robotics.rcx.legos)
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| | Re: Lego competitions just like Robotica?
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hello ! I live in dunkerque (FRANCE) and we want to organize a robotic competition. Like 36 hours in challenge. Nobody know the challenge before the competition. But we don't know if that can be possible cause we don't know if we have time and (...) (24 years ago, 10-Jan-02, to lugnet.robotics)
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| | Re: Lego competitions just like Robotica?
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(...) I'm not sure what "Robotica" is, but if you're interested in building your own LEGO robots and having them compete against those built by others, there's several such competitions around. The one closest to where I live is in Seattle. I (...) (24 years ago, 10-Jan-02, to lugnet.robotics)
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| | Lego competitions just like Robotica?
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I am a huge fan of Robotica and have built many Lego robots and vehicles with different drive mechanisms. Does anyone know of any Lego competitions where I can test out my designs against other Lego opponents? (24 years ago, 10-Jan-02, to lugnet.robotics)
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| | Re: USB, Windows, legOS
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Hi Don and Aaron, Any chance of sending me the patches for the USB Tower to work under Cygwin. I may be able to help get the patches working. I have some experience with Win95/98/2K. Dave W. (...) (24 years ago, 9-Jan-02, to lugnet.robotics.rcx.legos)
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| | Measuring robot turn angle
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The drive system in my robot is an adder-subtractor (see (URL) which uses two differentials in order to get equalized forward/reverse drive while allowing turning and pivoting (turning in place). For navigational purposes, the robot should be able (...) (24 years ago, 9-Jan-02, to lugnet.robotics.rcx.legos)
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| | Re: PIR sensor available
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hi Pete, Nice work , it looks good (especially in the far IR) ! I hope your business is running well. From your previous work I know you also put the schematics on your site. As someone who wants to hold a solder iron sometimes, I'm very interested. (...) (24 years ago, 9-Jan-02, to lugnet.robotics)
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| | Re: USB Tower for Win2K and LegOS
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Hi Rainer, Thank you for replying so quickly. I now have the latest SDK which includes the Ghost API + USB support. I am wondering if it may be possible to compile LegOS with Cygwin and pick up the compiled file with ScriptEd from the SDK and (...) (24 years ago, 9-Jan-02, to lugnet.robotics)
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