 | | RE: Two New Contests at BrickBots.Com
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(...) back when at the University of Waterloo, we designed a 2D inverted pendulum balancer on a plotter bed. The pendulum rotated a sensor, and we had to move the bed to keep it stable. You'd get bonus points for moving the bed in 2 dimensions.... I (...) (24 years ago, 26-Feb-01, to lugnet.robotics)
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| | Re: article in JavaWorld and Garbage Collection
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(...) How 'bout implementing a "recycler" of some sort? Running it periodically in a quieter control thread, or just not using it at all for smaller, tighter code? --- J Austin David austindavid.com austin@gtf.org "Only two things are infinite: The (...) (24 years ago, 26-Feb-01, to lugnet.robotics)
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| | Two New Contests at BrickBots.Com
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Hello Builders, Two new contest have started at BrickBots.Com! Spinning Tops Start Date: 2/26/01 End Date: 3/12/01 Score Type: Points Description: Build a robot to set one or more tops spinning for as long as possible. Tops are to be constructed of (...) (24 years ago, 26-Feb-01, to lugnet.robotics)
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| | Re: NQC 2.31b 1 and the RCXcc
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(...) Like Mario Ferrari said, RCXCC works fine with the new firmware and NQC 2.2 and 2.3. You just need to make some changes to the autoexec.bat. If you also make changes to the registry you will get RCXCC to show all the new commands in color and (...) (24 years ago, 26-Feb-01, to lugnet.robotics)
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| | Re: NQC 2.31b 1 and the RCXcc
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Hi Alan, you *can* use RcxCC with the new firmware. RcxCC has not been updated so in its native mode it doesn't support the new version of NQC. But for effect of downward compatibility it has no problems in communicating to the new firmware through (...) (24 years ago, 26-Feb-01, to lugnet.robotics)
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| | Re: Black friction peg size
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The first time I noticed the less thick black pegs was in the 8448 Superstreet sensation and in the other technic sets from the same year (8444, 8445, 8446). It seems to me that there are 4 different kinds of black pegs that came out over time, but (...) (24 years ago, 26-Feb-01, to lugnet.robotics)
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| | Re: NQC 2.31b 1 and the RCXcc
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----- Original Message ----- From: "Miles Gentry" To: <lugnet.robotics@lugnet.com> Subject: Re: DDK - What use are they / lower prices seen> To go to an even higher level, after you get the new NQC, then get RCX2 (...) On the download page it says: (...) (24 years ago, 26-Feb-01, to lugnet.robotics)
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| | Black friction peg size
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While I was makeing a simply fixture to mount black friction pegs in a lathe, I discovered that they come in two different wall thicknesses! I had never seen a posting about this and I had never noticed it before, but it accounts for why some things (...) (24 years ago, 26-Feb-01, to lugnet.robotics)
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| | Wall transformer for RCX
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I have seen a number of post asking the same question, What to use for external power for the RCX (ver 1.0) I have been using RadioShack; cat # 273 1631 - 9v 800mA AC This transformer has the correct size jack. The output voltage is adjustable. I (...) (24 years ago, 26-Feb-01, to lugnet.robotics)
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| | How big is too big?
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I have a NQC program that is not working properly. However, when ever I complie and run a smaller section of the code it works fine. The basics of the code is the following: 1. wait until you get a valid message from RCX1 (code is for RCX2) 2. go (...) (24 years ago, 26-Feb-01, to lugnet.robotics)
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| | Re: DDK - What use are they / lower prices seen
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(...) These are (far better) comments than I was going to make wrt to scout and micro-scout. Essentially, the scout and micro-scout allow you to experiment with team and cooperative robotics--as Miles said: "a higher level". I bought my 7.5 YO son a (...) (24 years ago, 26-Feb-01, to lugnet.robotics)
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| | Re: Shrimp, Lobster & more...
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Like Xanthra47 wrote, there's still room for the first shrimp that can steer :-) On this topic I have some ideas. I would use the four central wheels like tracks, blocking the inner ones in the turn (or slowing down them) while keeping the outers at (...) (24 years ago, 26-Feb-01, to lugnet.robotics)
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| | Re: DDK - What use are they / lower prices seen
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(...) You can have some fun with the Micro Scout if you have the Scout from Robotics Discovery Set (9735). Some of the Scout's built-in programs emit Visible Light Link codes from its LED (output port 3) to trigger built-in programs in the Micro (...) (24 years ago, 26-Feb-01, to lugnet.robotics, lugnet.robotics.vll, lugnet.robotics.microscout, lugnet.robotics.scout)
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| | DDK - What use are they / lower prices seen
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With repect to the RCX, what use are the Droid Developer Kits (DDK) beyond their appearing limited 7 firmware programs ? I do think they are attractive to the younger lego maniacs - so I'm not slamming them. Actually I got one today for my 8 year (...) (24 years ago, 26-Feb-01, to lugnet.robotics)
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| | Re: Shrimp, Lobster & more...
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Oh no more competition on the shrimp :-( I thought I was going to build the first lego shrimp. Oh well, I guess I can learn from the other models and try to build a better one. Thanks for sharing it with us... Ram ----- Original Message ----- From: (...) (24 years ago, 25-Feb-01, to lugnet.robotics)
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| | RIS Bulldozer
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Does anyone know where plans for the RIS Bulldozer might be found? There is a pic of it on the back of the box, and I've searched all over for it, but to no avail. I want to push some dishes off the dinning room table =) Tom Heverly (24 years ago, 25-Feb-01, to lugnet.robotics)
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| | Re: error -14
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The latest version of directx is 8.0 ... it's upwards compatible and has some bugs fixed , you can find it on the microsoft site. If you first install directx 8.0, the mindstorms installation won't install the old version of directx. Good luck. (...) (24 years ago, 25-Feb-01, to lugnet.robotics)
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| | error -14
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Just got my RCX 1.5 and while installing the software I recieved a message 'could not install Direct 6.1, error -14.' note I use windows '98 and not sure what Direct 6.1 is. would someone please advise me? I know know I am addressing the masters of (...) (24 years ago, 25-Feb-01, to lugnet.robotics)
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| | Re: A new Rover
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I like the idea of having the motor pinion directly drive the differentials. I've been wracking my brain trying to come up with a way to integrate a differential into tracked crawler. Thanks for the inspiration : ) -Xanthra47 PS. Oh, yeah. Cool (...) (24 years ago, 25-Feb-01, to lugnet.robotics)
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| | Re: Shrimp, Lobster & more...
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More excellent robots ! Thanks for sharing, Mario : ) I'm sorta bummed that you beat me to the LEGO(R) Shrimp, but I love your drive system and you did leave me some leeway to build a shrimp that can steer.... Xanthra47 "Mario Ferrari" (...) (24 years ago, 25-Feb-01, to lugnet.robotics)
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