 | | strange sample code area in LUGNET (was Re: bug in semaphore code (was Re: Announce: NQCIPC update
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What is (URL) why are there no links connecting the rest of (URL) to it? (...) (26 years ago, 1-Nov-99, to lugnet.robotics)
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| | RS232 Communication
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Has anyone read data into an RCX from an external device using an RS232 serial connection? The device I'd like to use might be spitting out data at about 16Hz. Any information at all will be a help. Cheers, Barry. (26 years ago, 1-Nov-99, to lugnet.robotics.rcx)
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| | Motor Variables
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Can someone please tell me all the possible variables of the RIS motors. I know the basic ones, ON/Off, power, direction, speed. I need to know all of the variables and how to program/call them in the program. I am creating a graphical user (...) (26 years ago, 1-Nov-99, to lugnet.robotics)
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| | Re: Official LEGO site has MindFest pics
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(...) Wow, I'm (almost) embarassed that two of my robots are depicted on the LEGO page. There were certainly a lot of much cooler robots at MindFest than mine, but I'm not complaining... I'm actually in the process of creating a web page for each of (...) (26 years ago, 1-Nov-99, to lugnet.robotics.events)
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| | Re: Motor Variables
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If you take a look at my website you'll find all the information you need, including examples in Visual Basic (and quick Basic for that matter). CU Bert Lego robots and artificial intelligence (URL) -----Oorspronkelijk bericht----- Van: Jason Di (...) (26 years ago, 1-Nov-99, to lugnet.robotics)
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| | Re: Scout secrets revealed
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(...) I don't have the Scout, but I have a funny feeling that the Micro Scout may also respond to these commands when it is in that "P" mode. Could somebody verify this? Thanks, Hao-yang Wang (26 years ago, 2-Nov-99, to lugnet.robotics)
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| | Cat by the tail!
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My school principal walked by a display of one of my grade 12 students showing one of his Mindstorms creations. He was so impressed he approached my department head about providing funding for 5 additional RIS sets. I don't think he realizes that (...) (26 years ago, 2-Nov-99, to lugnet.robotics.edu)
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| | Re: MindFest: videos, photos, report
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This was the brick grabber, it scans for black bricks and throws them off the table. It has one set of wheels at right angles to the other and it would raise or lower one set. Lowered, they're in contact and you go in the nominal x direction, (...) (26 years ago, 1-Nov-99, to lugnet.general, lugnet.robotics)
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| | How to get Dacta #9633 Pneumatics Set
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Many people have asked how to get the Advanced Pneumatics Set (#9633) and the Technology Resource Set (#9609). These are Lego DACTA sets and not the regular Technic sets, aimed at the educational market. They are normally only sold to schools and (...) (26 years ago, 2-Nov-99, to lugnet.robotics, lugnet.dacta)
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| | idiot's guide to programming the rcx
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Can anyone tell me the EASIEST alternate programming language to use for the rcx. I mean, back in the days of BASIC, I was one of my state's top student programmers. But that was in the eighties. (26 years ago, 2-Nov-99, to lugnet.robotics.rcx)
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| | Re: Time available during 1 kHz system interrupt?
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Hi Greg, It all depends. Various features of the HB can be turned on and off to change the amount of work done in the main ISR. By default the code uses 300ms to execute. The file lib_hb.c provides the following: /***...***/ /*** System Interrupt (...) (26 years ago, 2-Nov-99, to lugnet.robotics.handyboard)
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| | Re: Cat by the tail!
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(URL) has several "kits" that are designed for classrooms. The RIS can be purchased in bulk (4 Mindstorms bricks) plus 1600 other pieces. (...) (26 years ago, 2-Nov-99, to lugnet.robotics.edu)
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| | Re: Help needed reviving my HB
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Hi Everybody, Ensio, I'm having a very similyar problem, but with an interesting twist! Check this out! I still don't have any idea what is going on here... None of these have expansion cards. I have 5 HB's from when this robotics class was taught 2 (...) (26 years ago, 2-Nov-99, to lugnet.robotics.handyboard)
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| | Re: walker that turns?
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(...) <De-lurk> What about making the legs on one side take shorter steps? Seems like the Imperial Walkers were pretty clumsy beasts, and a slow-plodding turn like this would be appropriate. My $0.02... - Christian <Lurk> (26 years ago, 1-Nov-99, to lugnet.robotics)
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| | Re: walker that turns?
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It's fairly simple with a tripod gait. First, get it working walking forward ... watch how it walks until you understand what is happening. Then reverse the action to get your 'bot to walk backwards. Watch it for awhile more. Now to turn left have (...) (26 years ago, 2-Nov-99, to lugnet.robotics)
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| | Re: Help needed reviving my HB
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Hello Edward and everyone, There are several causes that the Handyboard won't boot. 1) 62256 SRAM was dea 2) 74HC244 was dead 3) The Handyboard cannot put into bootstrap mode You can try to do the followings: Removes all the ICs on Handyboard except (...) (26 years ago, 2-Nov-99, to lugnet.robotics.handyboard)
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| | Re: idiot's guide to programming the rcx
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(...) The almost universal answer to the question "what is the best/easiest alternative programming language for the RCX" is three little letters: "NQC." If you are at all comfortable with programming in a "scripted" language like BASIC, then you (...) (26 years ago, 2-Nov-99, to lugnet.robotics.rcx)
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| | Re: Help needed reviving my HB
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Hello, Sorry, I made a mistake. "74HC244 was dead" should be read as "74HC373 was dead" This is the one soldered on the board directly without socket. It is located underneath the SRAM. Removing all ICs except 74HC132, 62256 SRAM, and MC68HC11 CPU (...) (26 years ago, 2-Nov-99, to lugnet.robotics.handyboard)
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| | Re: Need Balls!
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I just received the message below from Mary at FLL, apparently you can order directly from them. Hope that helps, - Ben. ---...--- Ben Williamson benw@pobox.com (URL) Forwarded message ---...--- Date: Mon, 01 Nov 1999 10:11:18 -0500 From: Mary T. (...) (26 years ago, 2-Nov-99, to lugnet.robotics)
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| | Re: Scout secrets revealed
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Hao-yang Wang wrote in message ... (...) a (...) So far, the Scout hasn't responded to the barcodes, it only emits it at certain points in its program. As I recall, in power mode it emits a barcode when you touch 'C'-motor on the remote, but this (...) (26 years ago, 2-Nov-99, to lugnet.robotics)
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