 | | Re: Black friction peg size
|
|
Oops, there goes my three sort theory; now I can start inspecting my 8448 for those less-thick black pegs. Well, then this is sort Four ;-) Simon Bogaert ----- Original Message ----- From: "Mario Ferrari" <mario.ferrari@edis.it> To: (...) (24 years ago, 27-Feb-01, to lugnet.robotics)
|
|
 | | Re: Black friction peg size
|
|
Hello, As to my knowledge, there are two sorts of black friction pegs. Sort 1 is the oldest one. It has the usual form of a peg, but it has full-length ribbons on it: from the middle to the end, there's a ridge to cause the friction. These pegs stay (...) (24 years ago, 27-Feb-01, to lugnet.robotics)
|
|
 | | Hope for 2.0
|
|
Seeing (URL) me hope that 2.0 is not that far away. Francois (24 years ago, 27-Feb-01, to lugnet.robotics)
|
|
 | | Re: Wall transformer for RCX
|
|
The safest bet is to use a transformer that comes with one of the LEGO train sets. I asked LEGO via email and they recommended using one of these. Here are the specs of of it: Input: 120VAC 60 Hz .12A Output: 12VAC 7 VA (...) (24 years ago, 27-Feb-01, to lugnet.robotics)
|
|
 | | cheap 8735 motor sets
|
|
eToys is going belly up sometime in the next 5 days according to my local news report - HOWEVER, they are listing 8735 motor sets (9v motor w/ large battery box, gears, wheels and misc. parts) for $19.99 - about half price. Not too bad a deal (...) (24 years ago, 26-Feb-01, to lugnet.robotics)
|
|
 | | Re: Two New Contests at BrickBots.Com
|
|
(...) Nope your not thick, but the RCX is! It seems to be simple problem, but I suspect the limitations of the RCX / LEGO's will make it difficutlt. (...) Wow, I just now finally understand! The picture B. Shahian linked to finally make it clear for (...) (24 years ago, 26-Feb-01, to lugnet.robotics)
|
|
 | | RE: Two New Contests at BrickBots.Com
|
|
(...) OK, now that I've figured out what the pendulum base looks like, I can see the advantage of the rotating base, namely that we eliminate the need for detecting the end of the range of motion! Thanks to all who helped in my quest for (...) (24 years ago, 26-Feb-01, to lugnet.robotics)
|
|
 | | RE: Two New Contests at BrickBots.Com
|
|
There are 2 versions of this problem with many advanced variations that you can observe in this site. What you have mentioned is the linear version which is allowed and ok. I do'nt think the rack and pinion works in the rotary version. -----Original (...) (24 years ago, 26-Feb-01, to lugnet.robotics)
|
|
 | | RE: Two New Contests at BrickBots.Com
|
|
(...) www.quanser.com and click on quick list and click on rotary IP. KaChing!!!! Great website! Now I get the problem..... By the way Rich, there are LOTS of ideas on this site for "experiments" I was thinking of solving the pendulum problem with a (...) (24 years ago, 26-Feb-01, to lugnet.robotics)
|
|
 | | RE: Two New Contests at BrickBots.Com
|
|
go to this link to see a picture and details of a company that sells univ. lab equipment. The challenge is whether this can be done using RCX. (URL) there are problems with the link, go to the main site www.quanser.com and click on quick list and (...) (24 years ago, 26-Feb-01, to lugnet.robotics)
|
|
 | | RE: Two New Contests at BrickBots.Com
|
|
(...) 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)
|
|
 | | Re: article in JavaWorld and Garbage Collection
|
|
(...) 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)
|
|
 | | Two New Contests at BrickBots.Com
|
|
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)
|
|
 | | Re: NQC 2.31b 1 and the RCXcc
|
|
(...) 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)
|
|
 | | Re: NQC 2.31b 1 and the RCXcc
|
|
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)
|
|
 | | Re: Black friction peg size
|
|
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)
|
|
 | | Re: NQC 2.31b 1 and the RCXcc
|
|
----- 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)
|
|
 | | Black friction peg size
|
|
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)
|
|
 | | Wall transformer for RCX
|
|
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)
|
|
 | | How big is too big?
|
|
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)
|