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 Robotics / *31369 (-20)
  Re: I'm sure this has been done to death
 
(...) Yes - any Lego set will work with Mindstorms - but some are *much* better than others. The 'Bionicles' for example are just junk...almost useless. On the other hand, the StarWars sets are pretty good for robot parts. Truly the best deal is (...) (24 years ago, 16-Jan-02, to lugnet.robotics)
 
  Re: wireless RF RCX communication?
 
(...) This sounds complicated. I'm not sure if I'd want to go hacking into the RCX, but if you have an idea and a good idea of how to make it work, more power to you. I'd just like to point out before you get started that the infrared communication (...) (24 years ago, 16-Jan-02, to lugnet.robotics)
 
  newbie again part 2
 
Another doubt: When I'm programming with NQC, is there a way to run the program (simulate its behavior actualy) without the RCX (because I don't have it yet)? Thanks, -- Paula Berger E-mail: pberger@terra.com.br paula@inf.pucrs.br ICQ#: 71133278 (24 years ago, 16-Jan-02, to lugnet.robotics.rcx.nqc)
 
  Re: My Ambulators
 
Well..I did kinda, Some foreground information is needed before I can explain that. The lego touch sensors arent simple toggle throw type switches, they have a precision, where the touch sensor can have values ranging ( for example ) 0 to 100, where (...) (24 years ago, 16-Jan-02, to lugnet.robotics, lugnet.technic)
 
  I'm sure this has been done to death
 
I've just recently been introduced to another world known as Lego Robotics. And i have some quesitons about it. Where have people found the best places to pick up accessories for it? I've been looking around and it looks like most everyone uses lego (...) (24 years ago, 15-Jan-02, to lugnet.robotics)
 
  Re: threads
 
some suggestions: 1) random_delay = random()/1000000; LegOS uses 16 bit integers, meaning the largest value an integer can have is something like 65535. The above statement is meaningless 2) (...) If you kill a thread, make sure it's still a valid (...) (24 years ago, 15-Jan-02, to lugnet.robotics.rcx.legos)
 
  Re: newbie question
 
(...) Chris, if you start it in 'Programmer' mode and double-click (say) 'Inventor 4' you will open a new file complete with the 'Begin' and 'End' icons. If you pull down the 'Help' menu and click on 'Show Context Help' a screen will open that (...) (24 years ago, 15-Jan-02, to lugnet.robotics.rcx.robolab)
 
  Re: Using the Differential to drive straight.
 
Thanks Mike, I'll be sure to try the adder-subtractor, as well as your new device. I completed the prototype of the differential drive with a transmission-lockable axle over the weekend. Actually, I can't claim credit for it, I got the idea from (...) (24 years ago, 15-Jan-02, to lugnet.robotics)
 
  Re: My Ambulators
 
hi Brian, nice robots and good pictures ! I just studied them roughly, but did I conclude it right that you made a rotation sensor with the normal lego switch ? If so, great (because finally we've a destination for that terrible sensor), does it (...) (24 years ago, 15-Jan-02, to lugnet.robotics, lugnet.technic)
 
  Re: wireless RF RCX communication?
 
This may help, little expensive though. (...) (24 years ago, 15-Jan-02, to lugnet.robotics)
 
  newbie again
 
Hi everybody, a need some explanation about NQC. What I have to do is this: I have Lego Dacta's Control Lab (#9701) and I want to program it using NQC. I know now that I need to buy the RCX in order to do that, but is there anything else? What is (...) (24 years ago, 15-Jan-02, to lugnet.robotics.rcx.nqc)
 
  LNP Routing daemon with tcp/ip for RCX/legOS, Cybermaster/NQC
 
Dear NG, i try to develop a LNP routing daemon (LNPoI - Lego Network Protocol over Internet)and i think this peace of software can be also usefull to other people using legOS, RCX and Cybermasters (!). For now it´s only available as a binarie file (...) (24 years ago, 15-Jan-02, to lugnet.robotics.rcx.legos)
 
  Question about NQC code
 
Hi, I created the following light searching program: #define speed 2 #define inaccuracy 2 int lightstrength, max, min; task main() { SetSensor(SENSOR_2,S...OR_LIGHT); start searchforlight_a; } task searchforlight_a() { lightstrength = (...) (24 years ago, 15-Jan-02, to lugnet.robotics.rcx.nqc)
 
  My Ambulators
 
Hello everyone, this is my first Lugnet post. Yea for me :) I just wanted to show everyone my lego creations. Ever since the Lego Mindstorms website had an Ambulator contest about a year ago I've been fascinated with making them. So after nearly a (...) (24 years ago, 15-Jan-02, to lugnet.robotics, lugnet.technic)  
 
  Re: BricxCC
 
(...) that's a good point, especially for larger programs ! Stef Mientki (24 years ago, 15-Jan-02, to lugnet.robotics.rcx.nqc)
 
  Robolab Sensors
 
Can anyone tell me how to get Robolab to report raw values for non-powered sensors? I am trying to use Robolab to plot thermistor and photoresistor resistances. Thanks. (24 years ago, 15-Jan-02, to lugnet.robotics)
 
  newbie question
 
I have just got Robolab 2.5 and forgot to order user guides with it. Is it just me, or is it not entirely intuitive? I cannot yet find a way of starting a new project without first opening an existing one - am I missing something? (I have bought it (...) (24 years ago, 13-Jan-02, to lugnet.robotics.rcx.robolab)
 
  Re: threads
 
Hi again, I'm now totally stuck with this problem. I've spent all day at it, stepping through the code line by line with key presses. I've marked the point that the code appears to hang in left_control_task (). Someone please help, please. Thanks (...) (24 years ago, 15-Jan-02, to lugnet.robotics.rcx.legos)
 
  wireless RF RCX communication?
 
I've been thinking about how I might replace the RCX's IR communication with something that doesn't require line-of-sight, eg using RF. I'm not much of an analog hardware guy so I thought I'd ask about the feasability of it first... I'm considering (...) (24 years ago, 15-Jan-02, to lugnet.robotics)
 
  Re: Help! Hanyboard Assembly Testing problem!
 
Sam, can you check the serial input circuit. if this is not correct, then the 6811 won't stay in boot mode. make sure RP4 is a 1Kx4 resistor pack (4 discrete resistors) and not a 1Kx7. also make sure R15 is installed. see (URL) . also, try putting (...) (24 years ago, 15-Jan-02, to lugnet.robotics.handyboard)


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