 | | Re: Advantage on motor change direction?
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(...) This command is useful when you don't already know what direction a motor is going. Consider the following contrived example: A Robot w/a single light sensor is supposed to drive back and forth between two black lines. Additionally, this robot (...) (21 years ago, 3-Mar-05, to lugnet.robotics.rcx.robolab)
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| | Re: Advantage on motor change direction?
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(...) As far as I can tell, there is no advantage, other than the fact that the motor control command allows you to turn on/off other motors at the same time as changing the direction. Other than that, it's a matter of personal preference, by my (...) (21 years ago, 2-Mar-05, to lugnet.robotics.rcx.robolab)
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| | Advantage on motor change direction?
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Hi I am trying to understand if there is much advantage on using the "change direction" command, instead of using the usual "turn on motor " in the opposition direction command. (21 years ago, 1-Mar-05, to lugnet.robotics.rcx.robolab)
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| | reduce the installation time of robolab2.5.4?
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Hi 2.5.4. takes quite long time to install. I attempted not to install the training mission and check the box to tell it run the training mission off from CD instead. However, it claimed unfound files when I tried to run robolab. Any suggestion? (...) (21 years ago, 24-Feb-05, to lugnet.robotics.rcx.robolab)
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| | Northeast Region ROBOLAB Conference
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Northeast Region ROBOLAB Conference Date: Friday April 8th, 2005 Location: LEGO Americas' headquarters in Enfield, CT. Purpose: To gather teachers and educators who use or plan to use ROBOLAB and LEGO Mindstorms to teach math and/or science in their (...) (21 years ago, 14-Feb-05, to lugnet.robotics.rcx.robolab, lugnet.robotics, lugnet.events, lugnet.robotics.edu)
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| | Re: Robolab Documentation
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After Dick's recommendation and Elizabeth's support, I purchased Engineering With LEGO Bricks and Robolab ((URL) Second Edition for ROBOLAB 2.5.4 is now shipping. I have struggled with this program for several years, Now, while reading the book, the (...) (21 years ago, 5-Feb-05, to lugnet.robotics.rcx.robolab)
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| | Re: New invention instructions
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(...) Wow, that is really helpful. Thanks to all. I also found something interesting (URL) contains many inventions) (URL) also contains many creations) (21 years ago, 31-Jan-05, to lugnet.build, lugnet.people, lugnet.people.newbie, lugnet.people.teens, lugnet.robotics.rcx.robolab, FTX)
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| | Re: New invention instructions
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(...) Seven: Here are two documents which show exactly how to build working components which I think go beyond what comes with the kit. They are free to download .pdf files. This one is written by Fred Martin, who designed the original RCX brick: (...) (21 years ago, 25-Jan-05, to lugnet.build, lugnet.people, lugnet.people.newbie, lugnet.people.teens, lugnet.robotics.rcx.robolab, FTX)
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| | Re: New invention instructions
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(...) Six: Check at your local library/bookstore for one of tha many books now in print. For example, (URL) here is a list of titles at amazon.com -Rob A> (21 years ago, 21-Jan-05, to lugnet.build, lugnet.people, lugnet.people.newbie, lugnet.people.teens, lugnet.robotics.rcx.robolab)
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| | Re: Today's Challenge
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(...) <snippage> (...) Thankyou, Claude. Now as to your further comments: I think that there is likely to be much merit in your words. I have not been able to transfer them into code as yet and so beg your further indulgence. In (very) pseudocode I (...) (21 years ago, 20-Jan-05, to lugnet.robotics.rcx.robolab)
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| | Re: sub-vi begin vs end control
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(...) Hi, This is a *minor* bug in RoboLab. The sub-vi diagram will have begin and end terminal labels swapped, but the program will function properly. Use the text tool to rename the terminal labels. Thought it should have been rectified in ver (...) (21 years ago, 17-Jan-05, to lugnet.robotics.rcx.robolab, lugnet.robotics.rcx)
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| | Re: sub-vi begin vs end control
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(...) In a LabVIEW program (vi) there is a front panel and a block diagram. The front panel is the user interface and contains both controls and indicators. When you place a control/indicator on the front panel a corresponding terminal is created on (...) (21 years ago, 17-Jan-05, to lugnet.robotics.rcx.robolab, lugnet.robotics.rcx)
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| | RE: sub-vi begin vs end control
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Hi Tom, Just for my education purpose, I'd like to understand the difference between the "begin" & "end" control boxes at the "Front Panel" window. Although they look identical, they must be different since they failed to wire to the blocks next to (...) (21 years ago, 16-Jan-05, to lugnet.robotics.rcx.robolab, lugnet.robotics.rcx)
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| | Re: sub-vi begin vs end control
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(...) It is a leftover from LabVIEW. When you create a sub.vi, LabVIEW reuses the name of whatever is wired to the control/indicator. This behavior makes perfect sense in LabVIEW but much less so in Robolab. FWIW, the names are little more than (...) (21 years ago, 16-Jan-05, to lugnet.robotics.rcx.robolab, lugnet.robotics.rcx)
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| | sub-vi begin vs end control
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Hi, After a sub-vi is created, there are two controls created namely begin and end. Would someone explain why they are backwards? That means, it creates an "end" control linked to the beginning of the sub-vi, while the "begin" at the end. Thank in (...) (21 years ago, 16-Jan-05, to lugnet.robotics.rcx.robolab, lugnet.robotics.rcx)
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| | Re: sub programs
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"Elizabeth Mabrey" <emabrey@storming-robots.com> wrote in message news:200501140706.j0...ing.com... (...) Both RCX 1.0 and 2.0 use the same firmware which supports 40 total subroutines. Subroutines are dedicated to the five program slots so that (...) (21 years ago, 14-Jan-05, to lugnet.robotics.rcx.robolab, lugnet.robotics.rcx)
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| | RE: sub programs
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Ok... I figured that out how to make sub-vi have that linked inside a vi. The question about the RCX 2.0's capability still remains unknown... --thanks (...) (21 years ago, 14-Jan-05, to lugnet.robotics.rcx.robolab, lugnet.robotics.rcx)
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| | sub programs
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Hi I wonder if I can call a sub program (another vi) within a program. There is an icon command for inserting another vi program into a program, but it does not seem to be a usable function though. Please advise. I understand the maximum of (...) (21 years ago, 14-Jan-05, to lugnet.robotics.rcx.robolab, lugnet.robotics.rcx)
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| | Re: Robolab Documentation
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The replacement firmware has several modes for displaying the clock. HH.MM, MM.SS and M.SS.S. The first format is the Lego standard whcih I find failry uninformative. The clock is reset to zero whenever RCX is powered up although many IDE's reset it (...) (21 years ago, 7-Jan-05, to lugnet.robotics.rcx.robolab)
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| | Re: Robolab Documentation
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(...) based on a question that I asked back on Dec 11: "I followed instructions replacing firmware.txt with the replacement file as instructed. The download went smoothly,immediately upon finishing (two beeps) the LCD screen started counting in (...) (21 years ago, 7-Jan-05, to lugnet.robotics.rcx.robolab)
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