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 Robotics / RCX / *5770 (-20)
  LNP + USB under windows
 
Hi, has anybody experience in communicating with the RCX over USB (Windows)? So far I managed to get legOS working with the USB-patch from Jin Sato; then I tried to use winLNP, but it didn't work (the light in the tower is not blinking) Now I'm (...) (23 years ago, 1-Feb-02, to lugnet.robotics.rcx.legos)
 
  Re: true tcp/ip on the RCX
 
Ok, the website is up at: (URL) Christ (23 years ago, 2-Feb-02, to lugnet.robotics.rcx.legos)
 
  Re: Power to RCX
 
"Matthias Jetleb" <Jetleb@Netcom.ca> wrote in message news:3c5b6892.134862...net.com... [snip] (...) Check out this timely post: (URL) this is indeed the same part, then it looks like 12V is the max. (Figure 1 of the datasheet is a little confusing, (...) (23 years ago, 2-Feb-02, to lugnet.robotics.rcx)
 
  Re: Power to RCX
 
I investigated this issue a while back an have taken apart all four of my RCX's (1.0 w. adapter, 1.0 w/o adapter, and 2 2.0's from an RIS1.5 and and RIS2.0). They all have internal voltage regulators. I've written the number down somewhere on this (...) (23 years ago, 2-Feb-02, to lugnet.robotics.rcx)
 
  Re: Power to RCX
 
(...) Oops, me bad, I meant 7809. BTW, here are some links to online data sheets for that type of regulator: (URL) (23 years ago, 2-Feb-02, to lugnet.robotics.rcx)
 
  Re: Power to RCX
 
Hi Trevyn, From the photo you posted, it appears that you have the input and output pins of the 7805 reversed. According to the datasheet, this will probably fry the regulator. I'd recommend getting a new part before continuing, so as not to risk (...) (23 years ago, 2-Feb-02, to lugnet.robotics.rcx)
 
  Re: true tcp/ip on the RCX
 
Cool stuff, congrats on the Slashdot recognition. Hope the "Slashdot Effect" didn't totally cripple your server. Wondering if you or Olaf could make the LegOS code available for all to see, just wondering how it was all done for educational purposes (...) (23 years ago, 1-Feb-02, to lugnet.robotics.rcx.legos)
 
  Re: true tcp/ip on the RCX
 
(...) [...] (...) A few days ago, Olaf sent me his legOS TCP/IP code which I have been running a few days, so I probably have the world's second TCP/IP-enabled Lego brick in my office :-) ! I was also able to squeeze in a simple web server, a few (...) (23 years ago, 1-Feb-02, to lugnet.robotics.rcx.legos)
 
  Re: Power to RCX
 
Most "wall wart" transformers give about 3-5 volts above what is marked on them. I would not use one of these directly. However, I am currently working on using a 7809 voltage regulator. If you don't know, a voltage regulator is a small electronic (...) (23 years ago, 1-Feb-02, to lugnet.robotics.rcx)
 
  Power to RCX
 
Hi all, I just got my new RIS Ver.#2, and I am far from being an electronic expert. I am wondering if a proper wall tranformer with an adapter inside the RCX to connect to the battery terminals would work for stationary application. Of course, I do (...) (23 years ago, 1-Feb-02, to lugnet.robotics.rcx)
 
  "Local Positioning System" for lego-vehicles with mice
 
Hello NG, i try to develop something like a local position system with a optical RF mouse (or other mouse-devices). If someone want to join or help for this little project please mail me. A very first result you can see at (URL) (23 years ago, 1-Feb-02, to lugnet.robotics.rcx.legos)
 
  Re: Downloading Firmware
 
(...) I have an E-machine that uses Windows 98. Mark (23 years ago, 31-Jan-02, to lugnet.robotics.rcx)
 
  Re: Downloading Firmware
 
(...) Maybe, but I'd rather incriminate motherboard/OS/USB drivers. What do you use ? Philo www.philohome.com (23 years ago, 31-Jan-02, to lugnet.robotics.rcx)
 
  Integer-based arctangent2 function for anyone interested
 
After scouring the internet for several days and even utilizing Jack Crenshaw's wonderful book "Math Toolkit for Real-time Programming", I was unable to find a good, general iatan2(y,x) function. Note that this is the atan function that takes as (...) (23 years ago, 31-Jan-02, to lugnet.robotics.rcx.legos)
 
  Downloading Firmware
 
I am trying to download the firmware to the ris 1.0 & 2.0 using the usb tower but it won't finish, the rcx only counts to 200-300 & is different all the time. then it says the tower is disconnected, when i didn't even touch it. BUT the serial tower (...) (23 years ago, 31-Jan-02, to lugnet.robotics.rcx)
 
  Errors compiling egcs
 
Hi, I've just downloaded and attempted to install the binutils, egcs, and LegOs on my computer as per the instructions at (URL) only difference between these instructions and what I have done is the path to where the software is to be installed. (...) (23 years ago, 31-Jan-02, to lugnet.robotics.rcx.legos)
 
  Re: which Linux distro?
 
(...) Good Idea ! I had no problem using legOS when using a RedHat 7.1, Mandrake8 or a Conectiva 6.0, As far as I remember, there is a Debian package available for legOS. So... no matter which distribution you'll use, it will be far better than (...) (23 years ago, 31-Jan-02, to lugnet.robotics.rcx.legos)
 
  Re: Control the RCX from AppleScript
 
(...) Ahah! Check out the following SourceForge projects - still sadly in the VERY early stages! - for some potentially good news: (URL) too have USB devices that have been rendered useless by OS X and companies not wanting to bother upgrading (...) (23 years ago, 31-Jan-02, to lugnet.robotics.rcx.nqc)
 
  which Linux distro?
 
Hi, I am thinking of moving over to Linux, partly for legOS reasons (Lnp easier to set up for a start), but partly for other reasons (free software, morality etc, ie the usual waffle.) I am considering Redhat 7.2, Suse 7.3 personal or Suse 7.3 (...) (23 years ago, 31-Jan-02, to lugnet.robotics.rcx.legos)
 
  Re: Control the RCX from AppleScript
 
Sorry for the quick updates, but Robot Controller 1.4b2 is now available! This adds the ability to control several motors simultaneously in AppleScript. I have also posted an example AppleScript Studio project which uses Robot Controller to drive a (...) (23 years ago, 30-Jan-02, to lugnet.robotics.rcx.nqc)


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