 | | Bad Rcx's or bad ir
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I believe that i have a dead rcx, or a problem w/ the ir transmitter (doubtfull). I have a Lego Mindstorms Robotics Invention System 1.5, and have succesfully installed the firmware using the cd given along with the set. But when i try to download (...) (25 years ago, 20-Jun-01, to lugnet.robotics, lugnet.robotics.rcx)
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| | Version 1.2 of the NQCEditor & RCXControl Released! (For PocketPC MIPS & ARM)
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Version 1.2 of the NQCEditor & RCXControl Released! This is the Rainer Keuchel Version. This is for the PocketPC PPC and HPC. MIPS and ARM supported! It's located here: (URL) features including the ability to download firmware, compile, download, (...) (25 years ago, 20-Jun-01, to lugnet.robotics.rcx.nqc, lugnet.robotics, lugnet.robotics.rcx)
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| | Re: RCX Controlled Mobile Decoupler and Train Marshling Station
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Thanks for a reader to tell me using VirtualDub.sourceforge.net to edit my video files, now you can download them at (URL) Marshling can marshal train, for example, the original train is 321L (car3+car2+car1+loco), after marshaling, train will (...) (25 years ago, 19-Jun-01, to lugnet.trains, lugnet.robotics.rcx, lugnet.robotics.scout)
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| | RCX Controlled Mobile Decoupler and Train Marshling Station
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I have two avi files that are taken by LEGOCAM, but the files are too big (20M and 25M), Does anyone know if there are any freeware for editing avi file? I hope I can edit those big files. (...) (25 years ago, 17-Jun-01, to lugnet.robotics.rcx, lugnet.robotics.scout)
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| | Squeak for RCX
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Has anyone considered using Squeak to build a graphical RCX programmer app? (URL) wondering if it's possible and am not much of a programmer myself. -Suz (25 years ago, 13-Jun-01, to lugnet.robotics.edu, lugnet.robotics.rcx)
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| | Lego LED Lights for Debugging or Decoration
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Hi. I manufacture several types of Lego brick incorporating LEDs. These are small 'lights' which can be attached to RCX motor outputs. Their colour can be set by the motor direction and their brightness can be set by the motor power. You can see (...) (25 years ago, 12-Jun-01, to lugnet.robotics.rcx)
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| | Re: RCX Controlled Mobile De-coupler
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(...) Thanks alot for posting the instructions, I'll be building this myself!-Harvey (25 years ago, 7-Jun-01, to lugnet.robotics.rcx, lugnet.robotics.scout)
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| | Re: RCX Controlled Mobile De-coupler
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(...) Hi Zhengrong my name is Tony and I’m new to train stuff. I used to be a big space guy. But now I’ve turned into a train guy sine I started helping out in train shows. I would like to learn more about your inventions with trains. I’ve been on (...) (25 years ago, 7-Jun-01, to lugnet.robotics.rcx, lugnet.robotics.scout)
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| | I want to call my robot.....
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Any one want to make a phone call to thier RCX? (URL) came across this. I caught my RCX calling a cute handyboard in toledo. (25 years ago, 5-Jun-01, to lugnet.robotics.rcx)
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| | Re: IR Tower Use
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If you're using Linux, see if Linux IR tools can chat with a tower -- or if some other RS-232 IR device can chat with a Lego device. I haven't had time to do such tests yet. (25 years ago, 30-May-01, to lugnet.robotics.rcx, lugnet.robotics, lugnet.off-topic.geek)
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| | Re: IR Tower Use
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(...) The only IrCOMM I know of is part of the IrDA standard. It provides something that looks just like a typical serial port to the application, but underneath is layered on top of IrLAP (packet based link level prototocol for IrDA). This means (...) (25 years ago, 30-May-01, to lugnet.robotics.rcx, lugnet.robotics, lugnet.off-topic.geek)
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| | Re: IR Tower Use
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(...) nod, but that made me think if we can use the IrComm package, and use a laptop's ir port to communicate with the rcx - didn't get a chance to try it yet - did anyone? Dan (25 years ago, 29-May-01, to lugnet.robotics.rcx, lugnet.robotics, lugnet.off-topic.geek)
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| | Re: IR Tower Use
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(...) Ooops, sorry. I didn't really mean proprietary -- I meant "not normal for remote controls". (25 years ago, 29-May-01, to lugnet.robotics.rcx, lugnet.robotics, lugnet.off-topic.geek)
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| | Library
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I have written a tiny messaging package for lejos. What I'm having trouble with is where to put it and it's class files so that I can use it in my lejos programs just like one of the lejos classes/packages. Currently I have to place a copy of my (...) (25 years ago, 29-May-01, to lugnet.robotics.rcx)
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| | Re: IR Tower Use
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(...) This isn't true at all. The tower converts an RS-232 serial transmission directly into IR and vice-versa. It is a pretty standard protocol. -Kekoa (25 years ago, 26-May-01, to lugnet.robotics.rcx, lugnet.robotics, lugnet.off-topic.geek)
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| | Re: IR Tower Use
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(...) You can't really do what you are trying to do. The tower is designed to operate in request-reply mode. It sends a request, waits a few seconds, receives a reply during that time, then turns off. The idle state of the tower is off, and (...) (25 years ago, 26-May-01, to lugnet.robotics.rcx, lugnet.robotics, lugnet.off-topic.geek)
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| | Re: Custom Firmware, IR Problems, and Dead RCXs (long)
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(...) Maybe this is shedding some light on why LEGO removed the Power Port in the 1.5's. To remove a known problem without dealing with it.?.?.? Dean -- Coin-Op's For Sale!: (URL) Lego Workshop: (URL) Lego Club: (URL) (25 years ago, 26-May-01, to lugnet.robotics.rcx)
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| | RE: Custom Firmware, IR Problems, and Dead RCXs (long)
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Even more interesting.... I've also just replaced the IRED I replaced a few hours ago in my RCX :-( This time, I'm putting a limiting resistor between the IREDs in the RCX to keep the current within limits. The following is pure conjecture on my (...) (25 years ago, 26-May-01, to lugnet.robotics.rcx)
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| | RE: Custom Firmware, IR Problems, and Dead RCXs (long)
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(...) Actually, there's a regulator on the Tower that takes the voltage for the digital side to +5 and keeps it there. The capacitor is only rated for 10V. The higher voltage will allow higher current through the IREDs as they are connected right to (...) (25 years ago, 26-May-01, to lugnet.robotics.rcx)
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| | Re: Custom Firmware, IR Problems, and Dead RCXs (long)
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(...) I'm pretty sure I know your problem to your number 2... The IR Tower has no protection against higher power. Running an unregulated power source into the IR tower is not a good idea! Use a 9v regulator package (The little 3 prong packages with (...) (25 years ago, 26-May-01, to lugnet.robotics.rcx)
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