 | | Cheap Mindstorms Motors
|
|
I noticed that Toys R US in central Ohio have deeply discounted Lego Znap products. I bought a 3552 for $9.97 in Columbus (Hamilton Rd) last week. Today I picked up models 3552 and 3571 for $4.90 each at TRU in Heath! Each includes a 9V motor (...) (25 years ago, 9-Oct-00, to lugnet.robotics)
|
| |
| | Re: Why no 8450 or 8482 in US?
|
|
I have sneaking suspicion it has something to do with the fcc and the use of the 27MHz model control band. As I understand it, use of the 27MHz band in the US specifically prohibits the transmission of data, while it isn't so stringent in this (...) (25 years ago, 9-Oct-00, to lugnet.robotics)
|
| |
| | motors
|
|
I know this question came up before, but can someone please tell me the effiency of the motors included with lego mindstorms?? How to they compare to the avergae electric motor?? (25 years ago, 9-Oct-00, to lugnet.robotics)
|
| |
| | Re: programming the Hitachi H8... (newbie question)
|
|
Thanks for the info Steve! I've read a little about NQC and LegOS and as you describe LegOS appeals to me for the raw low-level support it offers. (...) What do you mean "setup as a cross-compiler"? I'm not familiar with that process... Is there a (...) (25 years ago, 9-Oct-00, to lugnet.robotics)
|
| |
| | Re: Resistances of touch sensors and lamps
|
|
I have been keeping an eye on this thread and feel compelled to add my observation and experience; The touch sensors tend to exhibit quite an extended range of resisitance values as they are depressed. I have a couple which start as high as 7k on (...) (25 years ago, 9-Oct-00, to lugnet.robotics)
|
| |
| | Re: programming the Hitachi H8... (newbie question)
|
|
(...) Well, (I'm also a C++ programmer - with a similar background - who got a RIS for his birthday this year). There are two choices that suit people like you and I. The *simplest* is 'NQC' (Not Quite C) - which is a *small* C subset that compiles (...) (25 years ago, 9-Oct-00, to lugnet.robotics)
|
| |
| | programming the Hitachi H8... (newbie question)
|
|
Hi, I am new to Lego Mindstorms and just got a RIS 1.5 for my birthday. Let me start with a brief background info on myself: By profession I'm a C++ programmer who does COM+ development. I'm not a formally educated computer scientist however (no CS (...) (25 years ago, 8-Oct-00, to lugnet.robotics)
|
| |
| | Re: need advice on joining....
|
|
Amnon: Thanks. Your right. that did the trick. I used your idea in conjunction with a part that I found in the cybermaster set. I just searched the element registry and could not find it. it has 2 friction pegs on the bottom, and forms a triangle (...) (25 years ago, 8-Oct-00, to lugnet.robotics)
|
| |
| | Resistances of touch sensors and lamps
|
|
Hi all, I played around with touch sensors and a lamp this weekend, trying to measure their resistance. Since my Ohmmeter proved rather unreliable, the values keep wandering around and it seemed zero was not well adjusted, I just took a look at the (...) (25 years ago, 8-Oct-00, to lugnet.robotics)
|
| |
| | alternate uses for IR port...
|
|
can the IR port used to send messages to the RCX also be used for other applications? in other words should i even bother trying to use the IR module hooked up to my computer for other devices or should i expect it to be proprietary. and if it is (...) (25 years ago, 8-Oct-00, to lugnet.robotics)
|
| |
| | RCX, Servos ,and Pneumatics
|
|
Hi All, I've just updated my site with new information on controlling standard RC servos with the RCX. Besides the dead-simple schematic that uses Radio-Shack parts, you can even control pneumatic switches! There are a few pictures that show a (...) (25 years ago, 7-Oct-00, to lugnet.robotics, lugnet.robotics.rcx, lugnet.robotics.rcx.pbforth)
|
| |
| | Re: NQC versus Lego RCX Code Speed
|
|
Yes, this explains my observations perfectly! I will probably set up some more experiments--attempting to exactly duplicate the function of my oddly-behaving RCX Code (my currently-running NQC program is very close already), and try to get some real (...) (25 years ago, 7-Oct-00, to lugnet.robotics)
|
| |
| | Re: need advice on joining....
|
|
Use the light gray pegs that have a 1-length dowel on one side and a stud on the other side. These convert holes to studs, so it is easy to make the joint you want. Put one stud next to the cross axle hole in the bend angle beam, skip two holes, and (...) (25 years ago, 7-Oct-00, to lugnet.robotics)
|
| |
| | Re: Vision command and Mac
|
|
Have you tried using Virtual PC (or Real PC)? I believe that Virtual PC at least supports some USB devices, maybe the Camera is supported. BTW, has anyone thought of extending NQC --or any of the other alternative RCX programming environments-- to (...) (25 years ago, 7-Oct-00, to lugnet.robotics)
|
| |
| | need advice on joining....
|
|
Help I am building a gripping mechanism and am using pneumatics to do the squeezing. Due to the orientation of the hole on the base of the cylinder I was "forced" to attach a beam in such a way that is now puts me in a bind. The beam in question (...) (25 years ago, 7-Oct-00, to lugnet.robotics)
|
| |
| | Re: Dropping your RCX on the floor...
|
|
Having had to dismantle an RCX at one stage, I would point out that the battery connectors are not solidly attached to the main circuit board inside the RCX. (I have noted a lot of Lego electrics are built along those lines - relying on mechanical (...) (25 years ago, 6-Oct-00, to lugnet.robotics)
|
| |
| | Re: NQC versus Lego RCX Code Speed
|
|
(...) With regards to your comment about sensor watchers, yes they are slow. If I remember correctly, they are implemented by a task that loops forever polling the sensors and starting other tasks whenever an event of the proper type occurs. Tasks (...) (25 years ago, 6-Oct-00, to lugnet.robotics)
|
| |
| | Re: Is Extreme Creatures Good?
|
|
(...) If you can find <set:6979> on clearance at TRU for $30, it's arguably a better deal, since it also has a Micromotor. It's not Technic, but my feeling is that the parts in it have more potential for making "pretty" bots. Ran (25 years ago, 6-Oct-00, to lugnet.robotics, lugnet.technic, lugnet.market.shopping)
|
| |
| | Re: Cheap pyroelectric sensor
|
|
Ah hah! That's where they come from! I had seen the $40 ones mentioned in this news group a while back and then found Walmart selling complete motion detector systems for $8. So I bought a couple and pulled the sensors out. So they only cost $4! (...) (25 years ago, 6-Oct-00, to lugnet.robotics)
|
| |
| | Cheap pyroelectric sensor
|
|
Hi all, Somebody pointed out to me a REALLY inexpensive pyroelectric sensor, to be found here: (URL) specs are here: (URL) he was asking if the sensor can be used with my interface circuit, to be found here: (URL) answer is no, at least not without (...) (25 years ago, 6-Oct-00, to lugnet.robotics)
|
| |
| | Re: A neat idea for touch sensors
|
|
(...) make that four, one more than the number of sensors (...) It's on Michael Gasperi's site ((URL) Schumm has figured out how to orient the wires to allow two or more Touch sensors to be hooked in series to create the AND function. Here is his (...) (25 years ago, 6-Oct-00, to lugnet.robotics)
|
| |
| | RE: NQC versus Lego RCX Code Speed
|
|
(...) (URL) Is a note I posted a while back on pbForth speed. It really is very fast - not as quick as legOS, but fast enough for what we're doing. In fact, NQC and native firmware is fast enough - we just don't have enough variables.... As a point (...) (25 years ago, 6-Oct-00, to lugnet.robotics)
|
| |
| | Re: Vision command and Mac
|
|
I've seen no discussions of drivers either, if any finds out anything...please post. Thanks, Doug (...) Share information about yourself, create your own public profile at (URL) (25 years ago, 6-Oct-00, to lugnet.robotics)
|
| |
| | Re: NQC versus Lego RCX Code Speed
|
|
(...) This is correct. (...) Hehe :) Yes, this is correct. LegOS is also faster for some other reasons- it samples the sensors at a much faster rate than the standard firmware, so legOS programs can react much more quickly than standard bytecode (...) (25 years ago, 6-Oct-00, to lugnet.robotics)
|
| |
| | RE: NQC versus Lego RCX Code Speed
|
|
Thanks very much, everyone, for the detailed answers. I suspect that, due to the huge performance gain I seem to get using NQC (in one observable area: touch sensor response time using two touch sensors on two separate ports), that the RCX Code (...) (25 years ago, 6-Oct-00, to lugnet.robotics)
|
| |
| | Vision command and Mac
|
|
Hello listers, Once again Lego has made a product that is without Mac support. I have tried all the Logitec drivers, but the camera must be a model without mac support. Have any of You found a solution for getting it to work ? Regards Mikkel --- (25 years ago, 6-Oct-00, to lugnet.robotics)
|
| |
| | Re: NQC versus Lego RCX Code Speed
|
|
(...) As I understand it, the situation is this: * Using the Windoze graphical environment - your 'programs' are translated into a special 'byte-code' that's interpreted by the RCX's firmware. * Using NQC, your C programs are translated into the (...) (25 years ago, 6-Oct-00, to lugnet.robotics)
|
| |
| | Re: NQC versus Lego RCX Code Speed
|
|
(...) At the RCX level, there is no difference. Both use the standard Lego firmware to execute programs specified using a byte code. The byte code is something like an instruction set, except that it's interpreted and it has operations that are (...) (25 years ago, 6-Oct-00, to lugnet.robotics)
|
| |
| | Re: Remote dead, what to do?
|
|
That was it! Thanks so much. --Jack Gregory Juergen Stuber <stuber@loria.fr> wrote in message news:87d7hf5sny.fsf@loria.fr... (...) problem. (...) If (...) breaking (...) (25 years ago, 5-Oct-00, to lugnet.robotics)
|
| |
| | Re: Is Extreme Creatures Good?
|
|
I got Extreme Creatures about a month ago when it was last on special at S@H for $25. I guess for the Fibre Optic unit and the collection of parts, it's not a bad price. As far as I can tell, it's the only way you can get the FOS main unit from (...) (25 years ago, 5-Oct-00, to lugnet.market.shopping, lugnet.robotics.rcx, lugnet.robotics, lugnet.technic)
|
| |
| | RE: NQC versus Lego RCX Code Speed
|
|
(...) No, the Lego GUI software and NQC both produce code for the same target -- a simple interpreted virtual machine implemented in the firmware. I have never looked at the code produced by the Lego GUI, but I can't imagine it would be that much (...) (25 years ago, 5-Oct-00, to lugnet.robotics)
|
| |
| | RE: NQC versus Lego RCX Code Speed
|
|
Wilcox, Doug (11:04 AM 10.05.2000) wrote: >Hmm. This question seems to have gone the way of my PC-->IR Tower cable >question. > >Let me try to get at the point that most interests me--what is the >difference, at the RCX level, between programs coded (...) (25 years ago, 5-Oct-00, to lugnet.robotics)
|
| |
| | RE: NQC versus Lego RCX Code Speed
|
|
Hmm. This question seems to have gone the way of my PC-->IR Tower cable question. Let me try to get at the point that most interests me--what is the difference, at the RCX level, between programs coded in NQC and programs coded in RCX Code. Is the (...) (25 years ago, 5-Oct-00, to lugnet.robotics)
|
| |
| | Cybermaster on sale
|
|
Yesterday I saw that the Cybermaster is on sale at the Bart Smit toy shops in the Netherlands, now only fl. 169,- (approx US$ 70) instead of fl. 449,-. I bought just one... Emile. (25 years ago, 5-Oct-00, to lugnet.robotics)
|
| |
| | Re: Remote dead, what to do?
|
|
(...) Are you sure it is the remote? Maybe your RCX forgot its firmware, then the remote won't work. Jürgen (25 years ago, 5-Oct-00, to lugnet.robotics)
|
| |
| | Re: A neat idea for touch sensors
|
|
(...) That probably was me ((URL) That required a lot of Lego wires, put together in funny (...) I used five wires for convenience, since I have enough of them. But you can get by with just three wires if you connect them directly to the sensors and (...) (25 years ago, 5-Oct-00, to lugnet.robotics)
|
| |
| | Remote dead, what to do?
|
|
My remote control suddenly stopped working yesterday, and I immediately replaced the batteries, but that does not appear to have been the problem. What is the failure mode of these devices? Can the ir "bulb" burn out? If so, can it be replaced? Is (...) (25 years ago, 5-Oct-00, to lugnet.robotics)
|
| |
| | Re: A neat idea for touch sensors
|
|
Hi Rob, (...) Yes. But by looking carefully at the connectors it's not too hard to figure out how to do it. (...) I think it is just that in most cases parallel connections are needed, and you got to decide between the two possibilities if you want (...) (25 years ago, 5-Oct-00, to lugnet.robotics)
|
| |
| | Re: Is Extreme Creatures Good? (WAS: Re: US S@H Specials, Sep 20 - Sep 26, 2000)
|
|
(...) i'll (...) Not in my opinion, just a random collection of additional parts. There is an inventory at: (URL) I didn't buy the set, so maybe owners of the set would have a contrary opinion. Kerry (25 years ago, 5-Oct-00, to lugnet.market.shopping, lugnet.robotics.rcx, lugnet.robotics, lugnet.technic)
|
| |
| | Re: A neat idea for touch sensors
|
|
(...) Those resistors in the Cybermaster touch sensors are in parallel to the sensor. You can read its value when the sensor is not pressed. Cybermaster uses it to figure out which sensor is connected to what port before starting the actual program. (...) (25 years ago, 4-Oct-00, to lugnet.robotics)
|
| |
| | Re: Book thought...
|
|
I'd like to go on and on about it, but I haven't heard the official word yet as to what I should/could say and not say. The publisher is Addison Wesley Longman, and I'm really not positive when it will be out (don't know how long it takes for (...) (25 years ago, 4-Oct-00, to lugnet.robotics, lugnet.robotics.edu, lugnet.edu)
|
| |
| | Re: Book thought...
|
|
Being lazy, I was hoping that would be the case :-) When will it be out? Who's publishing? Thanks! -Peter "Ben Erwin" <ben@alum.mit.edu> wrote in message news:G1xADI.33s@lugnet.com... (...) late (...) books, (...) concepts (...) RCX (...) in (...) (25 years ago, 4-Oct-00, to lugnet.robotics, lugnet.robotics.edu, lugnet.edu)
|
| |
| | Re: Book thought...
|
|
I have just finished this EXACT book, so I'm sorry, but its a little too late to collaborate. :) And although the audience is broader than the other books, i certainly have not left adults out, as there are plenty of advanced concepts in the book as (...) (25 years ago, 4-Oct-00, to lugnet.robotics, lugnet.robotics.edu, lugnet.edu)
|
| |
| | Re: NQC versus Lego RCX Code Speed
|
|
I've also notice NQC codes are much smaller in comparision to RCX. I think the speed and size have to do with the fact that RCX are generated generic codes (very inefficient). (...) (25 years ago, 4-Oct-00, to lugnet.robotics)
|
| |
| | Re: Old & New Motors: work output comparison???
|
|
FYI - I found the following helpful site for Lego motor torque and rotation comparison: (URL) is Denis Cousineau's Technic Analysis (...) (25 years ago, 4-Oct-00, to lugnet.technic, lugnet.robotics)
|
| |
| | NQC versus Lego RCX Code Speed
|
|
Am I imagining things, or is NQC much faster than RCX Code when programmed to do similar tasks. As part of my ongoing NQC study, I replaced today a program I'd originally written with the drag-n-drop RCX Code generator, with one written in NQC. It's (...) (25 years ago, 4-Oct-00, to lugnet.robotics)
|
| |
| | Re: Iowa State students make a Lego golf course
|
|
(...) I haven't been able to find any... -Chris (25 years ago, 4-Oct-00, to lugnet.loc.us.ia, lugnet.general, lugnet.robotics, lugnet.castle, lugnet.duplo, lugnet.fun)
|
| |
| | Re: Iowa State students make a Lego golf course
|
|
(...) Are there any pictures? (25 years ago, 4-Oct-00, to lugnet.loc.us.ia, lugnet.general, lugnet.robotics, lugnet.castle, lugnet.duplo, lugnet.fun)
|
| |
| | ISU lego golf course
|
|
Sniff... I was in that class. THe big clock tower is a replica of our Campinile. sniff...The teacher is a moron. I was having trouble so I looked stuff up online (and found this list) ans she got really really upset. The class is more about how to (...) (25 years ago, 4-Oct-00, to lugnet.robotics)
|
| |
| | Re: Iowa State students make a Lego golf course
|
|
(...) Um.. pictures? ~M (25 years ago, 4-Oct-00, to lugnet.loc.us.ia, lugnet.general, lugnet.robotics, lugnet.castle, lugnet.duplo, lugnet.fun)
|
| |
| | Re: Iowa State students make a Lego golf course
|
|
(...) They musta decided since it was on the news, it was important...5th place to 1st place in 10 hours. :-) -Chris (25 years ago, 4-Oct-00, to lugnet.loc.us.ia, lugnet.general, lugnet.robotics, lugnet.castle, lugnet.duplo, lugnet.fun)
|
| |
| | Re: Iowa State students make a Lego golf course
|
|
(...) (URL) Dave! (25 years ago, 4-Oct-00, to lugnet.loc.us.ia, lugnet.general, lugnet.robotics, lugnet.castle, lugnet.duplo, lugnet.fun)
|
| |
| | Re: java source
|
|
The following are Java classes that use the Communications API to talk to the RCX: (URL) you're interested in programming the RCX in Java, try the alpha release of leJOS: (URL) might also check out the cross-platform edition of TinyVM, which is the (...) (25 years ago, 4-Oct-00, to lugnet.robotics)
|
| |
| | Re: Iowa State students make a Lego golf course
|
|
(...) Do you have a pointer to the actual article? The news has already changed. (25 years ago, 4-Oct-00, to lugnet.loc.us.ia, lugnet.general, lugnet.robotics, lugnet.castle, lugnet.duplo, lugnet.fun)
|
| |
| | Re: A neat idea for touch sensors
|
|
Hi Juergen, (...) I realize that I am using two lights where I only need one. Its just simplest to connect both lights to one sensor. I think I came up with a scheme to use only one light, but the wiring was somewhat convaluted. (You want the light (...) (25 years ago, 4-Oct-00, to lugnet.robotics)
|
| |
| | Re: A neat idea for touch sensors
|
|
(...) There are the Cybermaster touch sensors with resistors, but that's a rather expensive solution. (...) Your idea is both simple and great and I just wonder why nobody thought of it before. So how to get more lights? I just have one from the (...) (25 years ago, 4-Oct-00, to lugnet.robotics)
|
| |
| | web robot
|
|
hi list, because of the ongoing post about webrobots: i put together a simple perl server (on linux) which is listening on a port to special commands - i post this to give an alternative to the windows webrobot. i m a bad perl coder but it is (...) (25 years ago, 4-Oct-00, to lugnet.robotics)
|
| |
| | Re: Modifying parts; was RE: Two original Technic creations
|
|
(...) I've been tempted to saw off the axle part of a Technic engine crankshaft ((URL) get a very small cam that is ideal for pushing a touch sensor on rotation. Using the whole part is bulky and not very stable, because you can't push the axle (...) (25 years ago, 4-Oct-00, to lugnet.robotics)
|
| |
| | java source
|
|
Hi! I'm looking for Java sources to communicate with RCX from my PC. Could you help me? Gawel (25 years ago, 4-Oct-00, to lugnet.robotics)
|
| |
| | Re: Roving Webcam Robot
|
|
Here is a shot through the robot's camera. I just added a Lego gauge. The little gauge is fun, but it times out to sleep. It has a lot of functions... a few more might be fun. (URL) (25 years ago, 4-Oct-00, to lugnet.robotics)
|
| |
| | Re: A neat idea for touch sensors
|
|
That is a neat idea! (...) (25 years ago, 4-Oct-00, to lugnet.robotics)
|
| |
| | Re: A neat idea for touch sensors
|
|
Wow what a great idea! thank-you! Why didn't I think of that? I almost got my dad to bring me back a cybermaster from europe to get those resistor touch sensors. Now I'll have to try this first. Phil :-) (...) (25 years ago, 4-Oct-00, to lugnet.robotics)
|
| |
| | A neat idea for touch sensors
|
|
Hi everyone, I was trying to figure out a way to distinguish between two touch sensors on the same port. I have seen a lot of examples on the Web of sensor multiplexers using resistors. Being somewhat of a purist, I wanted to do the same thing with (...) (25 years ago, 4-Oct-00, to lugnet.robotics)
|
| |
| | Re: Roving Webcam Robot
|
|
Amnon Silverstein (07:05 PM 10.03.2000) wrote: >I have been told that Webcam32 can automatically fix the IP address on >the web page, but I have not looked into this. It works pretty well. What you do is put a copy of your web page locally on the (...) (25 years ago, 4-Oct-00, to lugnet.robotics)
|
| |
| | Re: Roving Webcam Robot
|
|
Everything is battery powered, so it can run around loose. Unfortunatly, this means it can only stay alive for about an hour, and I can't just leave it online. The laptop is the main bottleneck. I have to turn off all power management or else the (...) (25 years ago, 4-Oct-00, to lugnet.robotics)
|
| |
| | Iowa State students make a Lego golf course
|
|
I was watching my local news, and a bit came on about a golf course made of Lego at ISU...so I did a search, and found: (URL) Headline down. Pretty cool...there was heavy use of robotics on the holes, for motion and obstacles, and one hole that the (...) (25 years ago, 3-Oct-00, to lugnet.loc.us.ia, lugnet.general, lugnet.robotics, lugnet.castle, lugnet.duplo, lugnet.fun)
|
| |
| | Re: Book thought...
|
|
haha. I'm new to Mindstorms and waaaaat older than your 9-yr old - I could use such a book with the topics mentioned! LOL. I've seen explanations/tips mentioned on various websites... Doug (...) Share information about yourself, create your own (...) (25 years ago, 3-Oct-00, to lugnet.robotics)
|
| |
| | Re: Roving Webcam Robot
|
|
(...) KL (25 years ago, 3-Oct-00, to lugnet.robotics)
|
| |
| | Re: Pneumatic Piston
|
|
No wonder, I tried Spectrumed's website and found it to be useless, so I decided to avoid them. Anyone from the Seattle area? I'm from Vancouver, and is heading down to Seattle this weekend to pick up Mindstorms parts, any good shop I should check (...) (25 years ago, 3-Oct-00, to lugnet.robotics)
|
| |
| | Re: Pneumatic Piston
|
|
(...) I've used Spectrum Educational Supplies. I grabbed the dacta Pneumatic kit from them. The prices are a *lot* more reasonable than shop at home. Address: (URL) last time I ordered, you have to order by phone, as the web site is more just a (...) (25 years ago, 3-Oct-00, to lugnet.robotics)
|
| |
| | Pneumatic Piston
|
|
Does anyone know where I can get Pneumatic Piston in Canada? if not, any online shop I can get it from? Also, what are the sizes for the Pneumatic Piston? It is only one fix size? Many Thanks. (25 years ago, 3-Oct-00, to lugnet.robotics)
|
| |
| | Book thought...
|
|
So, I've been coaching this FLL team for a while now, and also watching my 9 year old daughter's use of Mindstorms and Technic and a book idea has been forming in my head. I'm wondering if anyone else is already working on such a book, in which case (...) (25 years ago, 3-Oct-00, to lugnet.robotics, lugnet.robotics.edu, lugnet.edu)
|
| |
| | Book thought...
|
|
So, I've been coaching this FLL team for a while now, and also watching my 9 year old daughter's use of Mindstorms and Technic and a book idea has been forming in my head. I'm wondering if anyone else is already working on such a book, in which case (...) (25 years ago, 3-Oct-00, to lugnet.robotics)
|
| |
| | Re: Modifying parts; was RE: Two original Technic creations
|
|
Ok, so us brick grinders can finally come out of the closet and admit our crimes without fear of retribution ... Here are a couple of basic categories to start with. 1. Addition of holes. I have added carefully placed holes in the sides of things (...) (25 years ago, 3-Oct-00, to lugnet.robotics)
|
| |
| | RE: IR tower problem -working but still not
|
|
sounds to me like you have a bad serial port on your computer, have you had the computer apart since this problem started? Did you perhaps bump a cable or connection. Borrow a laptop and try your cable and tower on it, maybe your plug and play (...) (25 years ago, 3-Oct-00, to lugnet.robotics)
|
| |
| | Re: Sharp GP2D05 Infrared Ranger and the RCX
|
|
Hi, this seems to be a very good idea for a new RCX sensor. Reading the Sharp data sheets for their infrared distance sensors I want to write some facts about. They have 4 different sensors for measuring distances from 10 to 80 cm. The differences (...) (25 years ago, 2-Oct-00, to lugnet.robotics)
|
| |
| | Re: New Kernel Documentation
|
|
Oh, sorry that this wasn't posted to this list- I already posted a .pdf version to the legOS site, at (URL) If anyone here is interested in following legOS, I'd recommend following the lugnet.robotics.rcx.legos list- that's where this news was (...) (25 years ago, 2-Oct-00, to lugnet.robotics)
|
| |
| | Roving Webcam Robot
|
|
Here is me with my roving webcam bot. This weekend I made an improved version. I used WebCam32 for the webcam, my WebBrick program for robot control over IP, NQC code for motor control, IBM's cordless modem, a USB to serial converter to get the (...) (25 years ago, 2-Oct-00, to lugnet.robotics) !
|
| |
| | Re: Optical card reader for the RCX
|
|
"Giacomo" <lego-robotics@crynwr.com> wrote in message news:NDBBIEKBGLHLJPC...bero.it... (...) correctly (...) I read Steve sugestions and they are great. So here comes another option: You can avoid the sync problem by avoiding the timing technique (...) (25 years ago, 1-Oct-00, to lugnet.robotics)
|
| |
| | NJRC 2000 in Singapore
|
|
Hi, educators This may be of interest to people who have to organise or prepare kids to take part in robotics competitions. The National Junior Robotics Competition (NJRC) 2000 which is in its 2nd year running, was held from 5-7 Sep in Singapore. (...) (25 years ago, 2-Oct-00, to lugnet.robotics, lugnet.loc.sg, lugnet.edu)
|
| |
| | Re: Anyone getting PowerPacks?
|
|
----- Original Message ----- From: Tobias Möller <tobias.moller@telia.com> To: <lego-robotics@crynwr.com> Sent: Sunday, October 01, 2000 4:04 PM Subject: Re: Anyone getting PowerPacks? (...) robots. (...) The only way I know of so far is to call (...) (25 years ago, 2-Oct-00, to lugnet.robotics)
|
| |
| | Re: New Kernel Documentation
|
|
I've posted the kernel documentation in an Acrobat file to (URL) . For a text-only file, this one is rather large, about 275K--it seems all the fonts have been included as bitmaps rather than outlines. I've re-cropped this to standard US letter size (...) (25 years ago, 2-Oct-00, to lugnet.robotics)
|
| |
| | Re: Anyone getting PowerPacks?
|
|
Okay, so I've been browsing around the PowerPack site, and I want to buy them, but... How do I order them? I can't find a "buy" button! --Tobias (...) (25 years ago, 1-Oct-00, to lugnet.technic, lugnet.robotics)
|
| |
| | Re: IR tower problem -working but still not
|
|
Tobias, The tower light will light even if the battery is dead or improperly connected. The battery compartment is not very well designed, and it can sometimes cause problems. Check the battery again. First, make sure it is fresh. I use the tongue (...) (25 years ago, 1-Oct-00, to lugnet.robotics)
|
| |
| | Re: outrageous prices
|
|
(...) selling the Technics (...) pump and an actuator, (...) parts - it seems like (...) though. There was a (...) I meant the pneumatic powered sets like the pnuematic front end loader, or the tow truck. (25 years ago, 30-Sep-00, to lugnet.robotics)
|
| |
| | outrageous prices
|
|
Hi, I'm new to this mailing list, and I was wondering if there is anywhere in Canada, specifically in Toronto to buy a lego Technic set with Pnuematics, even though they have been discontinued by lego. I called Lego Shop at home and to buy a (...) (25 years ago, 30-Sep-00, to lugnet.robotics)
|
| |
| | IR tower problem -working but still not
|
|
I've seen this subject here two years ago, and since I had the exact same problem, I'll ask it here again (I got no solution by reading the older posts.) I've had th IR tower up and running for about six months, but now it won't workk! Every time I (...) (25 years ago, 30-Sep-00, to lugnet.robotics)
|
| |
| | Re: New Kernel Documentation
|
|
I have just skimmed through this document and it is AWESOME!! In case you ran into the same problem as I did and was not able to view Post Script files, check out this URL: (URL) a Utility call Ghost Script that allows even Winblows users to view (...) (25 years ago, 30-Sep-00, to lugnet.robotics.rcx.legos, lugnet.robotics)
|
| |
| | does anyone have the new motors yet?
|
|
I'm interested in hearing people's experience with the 8279 4 WD X-Track or the 5221 Motor Pack. (25 years ago, 29-Sep-00, to lugnet.robotics, lugnet.technic)
|
| |
| | new legOS HOWTO and note from our sponsors
|
|
This is just a minor update to the HOWTO- it discusses the new C++ support in CVS, how to access CVS, and links to the new kernel documentation. As usual, it can be found here: (URL) plug: I'd like to note that the past several releases of the HOWTO (...) (25 years ago, 29-Sep-00, to lugnet.robotics.rcx.legos, lugnet.robotics)
|
| |
| | New Kernel Documentation
|
|
Stig Nielsson has written excellent documentation on the internals of the kernel. I learned a heck of a lot going through it- I think this makes Stig our new designated kernel expert :) Anyway, you can read it here: (URL) you have any comments or (...) (25 years ago, 29-Sep-00, to lugnet.robotics.rcx.legos, lugnet.robotics)
|
| |
| | VLL, Scout, MicroScout
|
|
OK, it's Friday afternoon, and precious little work is going on, so....I just tried an interesting experiment. I took a photodarlington transistor and stuck it into the light output of the Scout. I put the leads of the tranny in series with one side (...) (25 years ago, 29-Sep-00, to lugnet.robotics)
|
| |
| | Technical specifications
|
|
Hi! I'd like to know where I can find technical specifications like torque, voltage, speed, size, weight, prize, etc... I've tried some sites like www.lego.com or www.lugnet.com, but I can't find what I'm looking for. Perhaps I'm not looking right. (...) (25 years ago, 29-Sep-00, to lugnet.robotics)
|
| |
| | Re: Advanced programming with Vision Command
|
|
(...) ARGH ! Kekoa Proudfoot of course PROUDFOOT !! Sorry Kekoa ! (...) Rainer again (Hamburg - Germany) (25 years ago, 29-Sep-00, to lugnet.robotics)
|
| |
| | Re: Advanced programming with Vision Command
|
|
(...) You're right ! I'm wrong :-( ! This alive message is requested by the VC-software and automatically replied from the RCX (probably request opcode 10/18 from PC and replie opcode e7/ef from RCX). See the great RCX Internal page of Kekoa (...) (25 years ago, 29-Sep-00, to lugnet.robotics)
|
| |
| | Relative Distance sensor
|
|
Techno-stuff is pleased to announce availability of the new Infra-Red Relative Distance indicator. This is similar to an IRPD, except it returns eight different values, depending on the distance. Maximum range is about two feet. It measures the (...) (25 years ago, 29-Sep-00, to lugnet.robotics)
|
| |
| | Which set should I buy? FAQ update
|
|
So I haven't had much to say on the list for the last few months; that's alright, though. Anyway, the "Which Set Should I Buy" Lego Mindstorms FAQ has been updated to include coverage of the DSDK (but not Vision Command), as well as numerous bits (...) (25 years ago, 28-Sep-00, to lugnet.robotics)
|
| |
| | Re: Optical card reader for the RCX
|
|
(...) I think you would be better off looking for changes in brightness rather than absolute values. That way, you could figure out what's going on without having to worry about the speed at which the 'card' is moving past the detector. With your (...) (25 years ago, 28-Sep-00, to lugnet.robotics)
|
| |
| | RE: Color images? (was: Re: digital camera entirely made of mindstorms?)
|
|
Hamamatsu distributes Hamamatsu, among others. In New Jersey, 800.524.0504 The sensors are about $11.00 ea Part numbers S6428-01, xxx29-01, xxx30-01 URL (it's a new one) usa.hamamatsu.com PDF file available Jeff Jeffrey Hazen North Mill Technology (...) (25 years ago, 28-Sep-00, to lugnet.robotics)
|
| |
| | Re: New to Lego bots - Where to get Technic parts?
|
|
(...) For really cheap Mindstorms motors, look in your local Toys'R'Us for Lego 'Znaps' sets - these are still selling at <$10 and at least two of those sets contain motors that are identical to the Mindstorms variety. You get a few other (...) (25 years ago, 28-Sep-00, to lugnet.robotics)
|
