 | | Re: Any experience with measuring rotations?
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(...) "It's foolproof!" (...) This sounds like a good idea. I'm thinking I'm going to have to work out a sequence of more than just two shades, but that's what weekends are for, right? So, if I could make of sequence of colors that have increasing (...) (19 years ago, 20-Jan-07, to lugnet.robotics.nxt)
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| | Re: GBC- Magnetic Ball Separator
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(...) You mean... [LEGOSet 4767-1] :) (19 years ago, 20-Jan-07, to lugnet.robotics, FTX)
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| | Re: Like A Rock Crawler Hauler
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Hi Steve Hassenplug, Your design is Great!!! Can you put more pics about your structure! Thanks. Juan Antonio Breña Moral (URL) (19 years ago, 20-Jan-07, to lugnet.robotics)
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| | Re: GBC- Magnetic Ball Separator
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(...) Whoa, my apologies for leaving out a smiley in the first posting. I was as lazy as you at the fore, thinking "why not mention which set in the initial post?", so I had to look it up myself. A shame that set seems to have been released for such (...) (19 years ago, 20-Jan-07, to lugnet.robotics)
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| | another comparison
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We have compared the sampling and computing speed of NXT and RCX. NXT uses standard firmware 1.03 and is programmed with the LabVIEW toolkit. RCX is programmed with ULTIMATE ROBOLAB. Both bricks do the same thing: computing the DFT on a small (...) (19 years ago, 20-Jan-07, to lugnet.robotics)
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| | Re: Any experience with measuring rotations?
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(...) Easy. A light sensor. Point the sensor at a disk that's shaded from white to black. I've used that to detect the distance a robot is from a wall (wall following), using just a black & a white dot (1x1) which are moved in front of the sensor. (...) (19 years ago, 20-Jan-07, to lugnet.robotics.nxt)
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| | Any experience with measuring rotations?
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Hi all, I am working on a "project" where I want to measure some reasonably small rotations, things on the order of +/- 10 degrees or less. Just to make it hard, the force acting on the thing being rotated is small, like, completely hypothetically, (...) (19 years ago, 20-Jan-07, to lugnet.robotics.nxt)
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| | Re: Like A Rock Crawler Hauler
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(...) Very cool Steve... I can also atest the turn radius will stink since I did the same mod to the red tow truck set last year. You said you are using old style light sensors...Interfacing them to the NXT with the converter cables I assume? B (19 years ago, 20-Jan-07, to lugnet.robotics.nxt, lugnet.robotics, lugnet.org.us.laflrc)
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| | Re: GBC- Magnetic Ball Separator
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(...) This one I guess: (URL) GBC module!!! Philo (19 years ago, 20-Jan-07, to lugnet.robotics)
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| | Re: Text Based Programming for NXT - pbLua is Available
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(...) Nothing, it restarts back to blank screen, samba clicking mode. (...) Same thing. I also tried pulling the batteries for a few seconds. Telling USB Probe to refresh. 100 different combinations of resetting with and without usb plugged in, (...) (19 years ago, 20-Jan-07, to lugnet.robotics.nxt)
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| | Re: Text Based Programming for NXT - pbLua is Available
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(...) Tony, thanks for the work so far. What happens if, after the firmware is loaded you do any of the following: 1. Reset the NXT (press reset for less than 1 second) 2. Unplug the USB cable, wait 5 seconds, and plug it back in again (...) Here's (...) (19 years ago, 20-Jan-07, to lugnet.robotics.nxt)
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| | Re: Text Based Programming for NXT - pbLua is Available
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Here are my notes on what I've been able to accomplish so far in OSX on my MacBookPro. Loading pbLua firmware on nxt running standard firmware: 1. plugin usb 2. rename nxt-lua.bin to nxt-lua.rfw 3. open NXT-G, goto Tools -> Update NXT Firmware. (...) (19 years ago, 20-Jan-07, to lugnet.robotics.nxt)
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| | Re: Apology
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(...) Uh, Dave. Aren't you an american? Last time I checked, Canada was on the top of the north American continent :^P Kevin (19 years ago, 19-Jan-07, to lugnet.robotics.nxt)
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| | Re: Text Based Programming for NXT - pbLua is Available
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(...) Ralph, I can wait for API-docs 8-) In the meantime I try to find out how USB-communication (with libusb and terminalemulation) can work on OSX (10.4.x) and Linux. Is the NXT acting like an USB-Modem (asynchronous communication) What are the (...) (19 years ago, 19-Jan-07, to lugnet.robotics.nxt)
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| | Re: Olsenbande Robotic B&E
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(...) I received a private e-mail from Michael Barrett Andersen with some information about the source of this clip. It is (the opening sequence from?) an old Danish movie from 1979, (URL) This clip was apparently taken from the German dub of the (...) (19 years ago, 19-Jan-07, to lugnet.robotics)
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| | Re: Olsenbande Robotic B&E
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(...) I should show this video to people who think LEGO robotics has no practical applications. It certainly does, especially if you need to rob a place. (19 years ago, 19-Jan-07, to lugnet.robotics)
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| | Re: GBC- Magnetic Ball Separator
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Bah! I was simply too lazy to look it up myself. :D (And Peeron has been loading pages very slowly for me lately.) (19 years ago, 19-Jan-07, to lugnet.robotics)
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| | Re: Text Based Programming for NXT - pbLua is Available
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(...) I think pbLua is actually running. The problem is that the signon screen does not get displayed until the USB connection is made. Which is why I need to find out how USB enumeration happens on a Mac. The pbLua firmware makes the NXT look like (...) (19 years ago, 19-Jan-07, to lugnet.robotics.nxt)
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| | Re: Text Based Programming for NXT - pbLua is Available
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(...) I'm still building and finalizing the API. I should probably start posting some questions on this forum... Eventually I'd like to get the API and the Lua table out there but I need to get docs set up. If you can help with install instructions (...) (19 years ago, 19-Jan-07, to lugnet.robotics.nxt)
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| | Like A Rock Crawler Hauler
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We've been playing around with Rock Crawlers for a while, so I finally put up a web page with a bunch of pictures and descriptions on it. (URL) addition to my Rock Crawler (and a link to John's trucks), about half way down the page, there are (...) (19 years ago, 19-Jan-07, to lugnet.robotics.nxt, lugnet.robotics, lugnet.org.us.laflrc)
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