 | | Blocking SetUserDisplay?
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I have a program with a setup routine for calibrating light sensors. During the setup routine, it does: SetUserDisplay (a, 2); Then in a loop, reads the values of 2 light sensors into x & y, averages the readings and then does: a = x * 100 + y; to (...) (19 years ago, 4-Jun-05, to lugnet.robotics.rcx.nqc)
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| | Re: position calculating for robots
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(...) There are various geometries have been implemented in Lego bricks for this. Here is one example: (URL) searching Google for "Lego adder subtractor" for others. (19 years ago, 2-Jun-05, to lugnet.robotics.rcx.legos)
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| | Re: advice for robogrip
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(...) Do you mean robot hands? If so, try the one from my robot: (URL) It's actuated with pneumatics at the moment but the two 24mm pulleys have bevel gears linking them, to keep the fingers synchronised, so you could use a motor and low gearing to (...) (19 years ago, 27-May-05, to lugnet.robotics.rcx, lugnet.robotics.edu, FTX)
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| | advice for robogrip
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Hi, I am trying to look for a few lego end effectors configuration. I got the one from CMU's robotics educator. Suggestion will be greatly appreciated. --thanks (19 years ago, 26-May-05, to lugnet.robotics.rcx, lugnet.robotics.edu)
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| | Re: position calculating for robots
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(...) From something I read 12 years ago for my university project (a Lego robot of course, but pre-RCX), I think it required differential equations (ugh!). Probably a bit too memory-hungry for an RCX. Perhaps you could use the PC's computing power (...) (19 years ago, 26-May-05, to lugnet.robotics.rcx.legos)
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| | position calculating for robots
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Thanks Thomas for your idea. The matter is that I was thinking of using angle sensors in order to calculate the number of the turns that each wheel has driven (I am talking for a robot with 2 wheels). I think that some advanced maths are required (...) (19 years ago, 26-May-05, to lugnet.robotics.rcx.legos)
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| | Re: navigation and communication
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(...) In theory you can find position by having a 'giant pantone chart' on the floor - a sheet of paper like the test pad with coloured squares on it, and use the light sensor to detect which square the robot is on. Has anyone tried this? It will be (...) (19 years ago, 25-May-05, to lugnet.robotics.rcx.legos)
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| | navigation and communication
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Thank you Nathan. I think your link is really gonna help! Now do you know of any way making the robot calculating its position constatly? You see i want to make the robot send its position to another one so it can go there. Thank you again for your (...) (19 years ago, 24-May-05, to lugnet.robotics.rcx.legos)
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| | Re: New NQC API for RCX-Spybot or RCX-RC communication
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(...) John, I have a few beginner questions for you. I am trying to emulate the infrared protocol on a different microcontroller. I want it to be able to be controlled by a Lego remote and to send/receive messages to Lego devices. What format does (...) (19 years ago, 21-May-05, to lugnet.robotics, lugnet.robotics.rcx, lugnet.robotics.rcx.nqc, lugnet.robotics.spybotics)
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| | Re: Group project: RCX units run emergence simulation
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(...) I like the ants idea. What you could have is a "home base" or somewhere the RCX's can return to (some simple sensor based thing), and then a feeding area. In between you have any number of obstacles. The RCX's draw, or follow lines left by (...) (19 years ago, 24-May-05, to lugnet.events.brickfest, lugnet.robotics.rcx)
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