 | | Re: Powered Sensors
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Ok, I have gotten myself confused again. 0-0.32mA represents a voltage dropbetween 0 - 3.2 volts. Therefore the voltage that the RCX "reads" on theA2D is between 5 - 1.8 volts (1023 - 368 RAW)? To get a reading of 0 (RAW)it seems as though you would (...) (23 years ago, 8-May-02, to lugnet.robotics.rcx.legos)
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| | Re: Converting a float to an integer
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(...) float f = 1.4; int i = (int)((i >= 0) ? i + 0.5 : i - 0.5); OR if (f >= 0) i = (int)(i + 0.5); else i = (int)(i - 0.5); This is assuming you want to round to the nearest integer. Just curious, where are you getting the ascii strings that you (...) (23 years ago, 8-May-02, to lugnet.robotics.rcx.legos)
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| | New MOC: RoboArm I
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Hello all, I've posted pictures of my newest robotic creation, RoboArm I. (URL) actually happend by accident, I was tryin to find the simplest method to drive a turntable using 2 micro motors. I found a solution I was happy with using only a few (...) (23 years ago, 8-May-02, to lugnet.robotics, lugnet.technic, lugnet.build) !
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| | Re: RCX Command Center
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Welcome Jonathan. RcxCC is no longer supported. Check out this site for the supported version. (URL) you have problems tell us what the file is that is missing. I am sure some one can help. -- Bob Fay THE SHOP (URL) Spitz" <lego-robotics@crynwr.com> (...) (23 years ago, 8-May-02, to lugnet.robotics)
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| | Re: Program() always returns 0
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I believe any data source (not just timers/sensors/variables) can be used in SetUserDisplay. The big limitation is that local variables cannot be used since the display is updated in a global context independent of the tasks. If you know of data (...) (23 years ago, 8-May-02, to lugnet.robotics.rcx.nqc)
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| | Re: Program() always returns 0
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Oops. Looks like a bug in the NQC API file. I just fixed the bug in the NQC source, but it's not major enough to warrant a new release yet. In the meantime, you can add the following lines to the top of of your source file as a work-around: #undef (...) (23 years ago, 8-May-02, to lugnet.robotics.rcx.nqc)
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| | RCX Command Center
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This is my first message to the list, I hope I will contribute a lot to it. But first I'm trying to improve my robots with a more powerful programming. I tried RcxCC but it gives me an error because of a class or dll that isn't registered and I (...) (23 years ago, 7-May-02, to lugnet.robotics)
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| | Converting a float to an integer
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Hopefully this isnt a silly question. Does anyone know how to covert a float to an integer? It doesn't appear that the function atoi exists. Michael. (23 years ago, 7-May-02, to lugnet.robotics.rcx.legos)
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| | Re: Powered Sensors
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----- Original Message ----- From: "John Barnes" <barnes@sensors.com> Newsgroups: lugnet.robotics.rcx.legos Sent: Tuesday, May 07, 2002 2:23 PM Subject: Re: Powered Sensors (...) the (...) across (...) Ok... lets see if I understand this.... For (...) (23 years ago, 7-May-02, to lugnet.robotics.rcx.legos)
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| | Re: An OrthoGlide Mill
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Thanks for your comments Rob. The crossed rubber belts are a last ditch attempt to remove the backlash from the joints. The use of friction pins caused the joints to become so stiff that the platform would not follow the action of the arms. I found (...) (23 years ago, 7-May-02, to lugnet.technic, lugnet.robotics)
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| | Re: An OrthoGlide Mill
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Beautiful! I saw that page on parallemic as well... Looks like you did a good job making the lego version! I liked the multiple worm gear setup you used to take up the backlash. Just a couple of questions... What are the crossed rubber bands for? Do (...) (23 years ago, 7-May-02, to lugnet.technic, lugnet.robotics)
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| | Re: Powered Sensors
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No, the RCX knows nothing about the diodes. That is why devices like the light sensor only send a current signal in the range 0 - 0.32mA back to the RCX. This current then creates a voltage drop across the 10k reference resistor with respect to the (...) (23 years ago, 7-May-02, to lugnet.robotics.rcx.legos)
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| | Powered Sensors
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Hello all, I recently purchased "Extreme Mindstorms - An Advanced Guide to LEGO Mindstorms" and I must say it is one of the best books out there for the power user. I have a number of questions regarding powered sensors. First of all, when the RCX (...) (23 years ago, 7-May-02, to lugnet.robotics.rcx.legos)
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| | Re: IR tower for ordinary infrared communication
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I have heard of people using universal remotes that can "learn" commands to control their RCXen. Try a web/lugnet search. (...) (23 years ago, 7-May-02, to lugnet.robotics)
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| | Space Shuttle - quite a model!
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Hi All: I was lucky enough to get a mint sealed Space Shuttle kit (8480) on EBay recently at a good price. I must say, I am quite impressed by the clever engineering incorporated in the model. Particularly interesting is the function gearshift (...) (23 years ago, 7-May-02, to lugnet.robotics)
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| | Re: IR tower for ordinary infrared communication
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Is it possible to use the IR tower or RCX as a TV remote? Or use a universal remote to control an RCX? (...) (23 years ago, 6-May-02, to lugnet.robotics)
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| | Re: An OrthoGlide Mill
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"Bob Fay" <rfay@attbi.com> wrote in message news:GvoyrL.G8x@lugnet.com... (...) You put a lot of work into it, and have a great result! Iain (23 years ago, 6-May-02, to lugnet.technic, lugnet.robotics)
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| | Re: Differential?
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You can find complete building instructions on my site: (URL) you will need at least 2 differentials. ----- Original Message ----- From: "Ryan Humes" <nomad@celabs.com> To: <sjbaker1@airmail.net>; "Lego Robotics" <lego-robotics@crynwr.com> Sent: (...) (23 years ago, 6-May-02, to lugnet.robotics)
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| | Technic/Mindstorms™ at BrickFest 2002
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BrickFest 2002 is planning on expanding on last year's events and themes by adding a selection of Technics/Mindstorms™ activities. This will include three categories of fun and games spread throughout the three day fest - MOC display, competitions (...) (23 years ago, 6-May-02, to lugnet.events.brickfest, lugnet.technic, lugnet.announce, lugnet.robotics) !
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| | Re: Next test version avail. 0.2.6.05 - have time?
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(...) I'm not sure if that's a good idea. Of course, they can always be a compiler switch to turn them off if you don't want them. The thing is, though, that there are lots of tradeoffs between speed, memory use, and accuracy in this kind of (...) (23 years ago, 6-May-02, to lugnet.robotics.rcx.legos)
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