 | | University meets NXT
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Just enjoy this site: (URL) (in German) They developed a project "NXT meets Matlab" at (URL) (in English) (17 years ago, 16-Feb-08, to lugnet.robotics)
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| | 5th METU Robotics Days @Ankara/TURKEY
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If you want to see the developments in robotics, learn how to make a simple robot, and compete your own robots with others, don't miss METU ROBOTICS DAYS! In order to participate in the competitions and join the workshop study, sign up now from the (...) (17 years ago, 15-Feb-08, to lugnet.robotics.events)
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| | Some questions on batteries and AC power for lego
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There seems to be a difference between the voltage outputs of battery boxes and wall powered sources like the train speed regulators. From just listening to the sounds that motors make, a battery box puts out the same voltage as a speed regulator on (...) (17 years ago, 15-Feb-08, to lugnet.technic, lugnet.robotics, FTX)
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| | NXT on the Subway
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LOL, the School in Brooklyn where I teach Robotics, gave me an NXT Kit (consumer version) to create a robot for them to use at the Science Fair. [LEGOSet 8527] I did not have a bag to carry the box, so I carried it on the Subway. LOL, everyone was (...) (17 years ago, 14-Feb-08, to lugnet.robotics.nxt, lugnet.general, FTX)
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| | Re: nxt controller specification
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(...) Strangely enough, the AVR does NOT read motor encoders, the lines coming from the encoder directly enter the ARM processor... Philo (17 years ago, 14-Feb-08, to lugnet.robotics.nxt)
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| | Re: nxt controller specification
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(...) Yep. But note that Philo was talking about *torque*, not force. A torque of 50 N•cm means that it could supply a force of 50 N with a lever arm of 1 cm, or a force of 500 N (more than 100 lbs) for a lever arm of 1 mm... but that would imply an (...) (17 years ago, 13-Feb-08, to lugnet.robotics.nxt)
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| | RE: nxt controller specification
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Thank you for clarifying this, Brian. I was reading (URL) It stated that the NXT with "Stalled torque) up to 50 N.cm. 50N... it equates approximately 10lbs?! That is without any further gearing down, but just the NXT motors!? Wonder if anyone has (...) (17 years ago, 13-Feb-08, to lugnet.robotics.nxt)
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| | Re: PF IR RC protocol released! - NXC
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(...) Many thanks John and Jason for your work on this. I am a comparative newbie to NXC programming but I have my NXT working like a PF IR remote handset now that I set up the sensor correctly! NXC has given me the programming environment to (...) (17 years ago, 5-Feb-08, to lugnet.general, lugnet.technic, lugnet.trains, lugnet.robotics)
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| | Re: Power Functions infra-red RC protocol released!
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(...) Many thanks John and Jason for your work on this. I have been using the NXC functions to control PF IR receivers from my NXT. TLG has just released the following information: "We have been testing the LPF RC Receiver today and discovered an (...) (17 years ago, 6-Feb-08, to lugnet.general, lugnet.technic, lugnet.trains, lugnet.robotics)
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| | Re: nxt controller specification
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(...) Yes. The AVR is responsible for a number of things, including PWM and encoder reading on the motor ports (IMS), the reading of the front panel button state, power management, and A/D from the input lines for analog sensors. It is not (...) (17 years ago, 13-Feb-08, to lugnet.robotics.nxt)
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