 | | Re: X-10 camera interface
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If I were Lego and I was looking to avoid people pirating my software, I'd tie it to my own hardware! An awful lot of people have USB webcams. And the Lego software is quite clever, even if in its current form it cannot be used in conjunction with (...) (25 years ago, 9-Nov-00, to lugnet.robotics)
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| | Vision Command + other cameras
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Mars Explorer seems quite happy to use any camera windows has, it is even happy to find and use my Pinnacle video capture card. Vision Command on the other hand, was NOT happy. I had the Logitek QuickCam Pro USB up and running on my system quite (...) (25 years ago, 9-Nov-00, to lugnet.robotics)
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| | Re: X-10 camera interface
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(...) I have a feeling Lego put in a "Ident Chip" that tells what it is. That's why it comes up as a Lego Camera in the USB settings. It may fall back to Logitec mode but I don't know if it works the other way around. Dean -- Coin-Op's For Sale!: (...) (25 years ago, 9-Nov-00, to lugnet.robotics)
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| | Re: X-10 camera interface
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(...) I didn't try it yet (because i have none) but the Logitech Quickcam could (should) work with the VC software because the other way it works. meaning the lego camera works fine with the logitech SDK. Has anybody tries this ???????? I'm very< (...) (25 years ago, 9-Nov-00, to lugnet.robotics)
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| | Re: X-10 camera interface
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(...) I tried. The quality was so bad I gave up. And no, no other camera can use the VC software... Dean -- Coin-Op's For Sale!: (URL) Lego Workshop: (URL) Lego Club: (URL) (25 years ago, 9-Nov-00, to lugnet.robotics)
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| | Re: Opinions on the Ultimate Accessory set
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kbkids.com has it on sale for $39.99 (...) sale and for (...) (25 years ago, 9-Nov-00, to lugnet.robotics)
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| | X-10 camera interface
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Hi All Ive go an X-10 wire less camera , i want to know if any one uses it with the lego , and does it support image recogination with the vision command ?? can i use the softwere and the camera to recognize the opjects?? Patel (25 years ago, 9-Nov-00, to lugnet.robotics)
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| | Re: NQC on Scout
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(...) That's good. Any less then 400 bytes would truly be daft. The system vars and pointers are already taken from the 1k of RAM. Dean -- Coin-Op's For Sale!: (URL) Lego Workshop: (URL) Lego Club: (URL) (25 years ago, 9-Nov-00, to lugnet.robotics)
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| | Re: NQC on Scout
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(...) Yes, that looks about the size of it... Any bytes left over? (Use the -l option in NQC) -- Coin-Op's For Sale!: (URL) Lego Workshop: (URL) Lego Club: (URL) (25 years ago, 9-Nov-00, to lugnet.robotics)
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| | Re: NQC on Scout
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(...) Variables don't take up space (unfortunately). They're purely register variables. (25 years ago, 9-Nov-00, to lugnet.robotics)
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| | Re: NQC on Scout
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(...) Well, if you run "nqc -Ofilename yourprogram.nqc", you'll save the compiled code to 'filename' - look at the length of that file. I don't think it's exactly the right size because it seems to contain ASCII strings for the names of functions (...) (25 years ago, 9-Nov-00, to lugnet.robotics)
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| | Re: NQC on Scout
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(...) (25 years ago, 9-Nov-00, to lugnet.robotics)
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| | Re: Pneumatic Sub parts
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(...) If you're at all into pneumatics it's a good set, especially if you can get it for $25 like many of us did (many times over) from S@H. It contains: 1 pneumatic hand pump 1 large pneumatic cylinder 1 blue air tank 1 T-junction hose A TON of (...) (25 years ago, 9-Nov-00, to lugnet.robotics)
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| | Re: Opinions on the Ultimate Accessory set
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(...) Target -- $50 --- J Austin David austindavid.com austin@gtf.org Life is hard. It's harder if you use NT. (25 years ago, 9-Nov-00, to lugnet.robotics)
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| | Pneumatic Sub parts
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Over the past few weeks, I have heard people praising the Pneumatic Sub (model #8299) and the parts included with it. Just what are the parts and how much is a reasonable amount to pay for the kit? I have the option of buying the kit, but I want (...) (25 years ago, 9-Nov-00, to lugnet.robotics)
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| | Re: Opinions on the Ultimate Accessory set
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Out of curiosity, where did you find the ultimate accessory kit on sale and for how much? Jason (...) (25 years ago, 9-Nov-00, to lugnet.robotics)
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| | Re: NQC on Scout
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(...) It has 400bytes (.4k) for code... I got a twenty line NQC program in there... Dean -- Coin-Op's For Sale!: (URL) Lego Workshop: (URL) Lego Club: (URL) (25 years ago, 9-Nov-00, to lugnet.robotics)
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| | Re: Funrise treads etc.
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|
John, the Sewer Rat is great! How fast does it move? Is there an advantage to having the two separate "units" on either side of the "payload"? Would one of the units work as well on its own? -- Mark Haye, mark_haye(@)tivoli(.)com IBM TSM Server (...) (25 years ago, 8-Nov-00, to lugnet.robotics)
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| | NQC on Scout
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|
Okay, I wrote my first (sophomoric) piece of code for the scout, and I have kind of lame question. I know that there's no good way to answer this question, but about how much code can I stuff in the thing? I've heard that it only has 1kbyte for (...) (25 years ago, 8-Nov-00, to lugnet.robotics)
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| | Re: Opinions on the Ultimate Accessory set
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(...) I like the remote. The rotation sensor is good, too (easily lets you tie a motor to a steering wheel, for instance -- or a tach). The pieces themselves are mostly novel; an extra touch sensor, some weird stuff ... but I dig the remote. (...) (25 years ago, 8-Nov-00, to lugnet.robotics)
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| | Re: Opinions on the Destroyer Drone
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there are some fairly unique peices in that set that had me looking at it as well. so that makes two people who want opinions. _ b ---...--- (...) (25 years ago, 8-Nov-00, to lugnet.robotics)
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| | Re: CyberMaster online
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|
Why not post your python code to this ng. I'm in a heavy learning process on python right now and i thought of doing something similar. It would mean a great help for me. Thx Harry (...) (25 years ago, 8-Nov-00, to lugnet.robotics)
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| | eToys has RIS 1.0
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|
Go to the mindstorms aisle at eToys.com, they have both the RIS 1.5 and RIS 1.0 listed, and both are in stock. Great way to get an RIS with the power jack (and, more importantly IMHO, the "notch" that allows a LEGO wire to be conveniently routed (...) (25 years ago, 8-Nov-00, to lugnet.robotics, lugnet.robotics.rcx)
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| | Re: Gear spacings.
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I'm forwarding this from John Deters, who is currently waiting to be able to post to the newsgroup. Replies to jad@ANTISPAM.pclink.com please :-) ... Many years ago I wrote precisely such a program to solve the problem of selecting change gear (...) (25 years ago, 8-Nov-00, to lugnet.robotics)
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| | RE: Wired Article Today
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(...) Not really Mike. I gave them golden hardware quotes when they interviewed me but all they included was the software stuff... I guess it's more important anyways :-) Cheers, Ralph Hempel - P.Eng ---...--- The train stops at the train station, (...) (25 years ago, 8-Nov-00, to lugnet.robotics)
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| | Re: Gear spacings.
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(...) You have a good point there, and like yourself, part of me is in agreement. Even with that, I think perhaps one of the most interesting things about a program like this would be seeing if it came up with anything unusual or non-obvious that (...) (25 years ago, 8-Nov-00, to lugnet.robotics)
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| | Re: CyberMaster online
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I've made a module in python which does essentially the same as send.c and which can easily be extended with more functionality. At this moment, the main functionality which is lacking is the upload of programs. If you're interested, I can mail it (...) (25 years ago, 8-Nov-00, to lugnet.robotics)
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| | Re: Gear spacings.
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(...) Well, I think this is something you could divide into two parts: STEP 1: Find all combination of gears that'll produce a gear ratio within some user-specified range using less than some specified number of gear wheels. That's a simple problem (...) (25 years ago, 8-Nov-00, to lugnet.robotics)
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| | Re: Gear spacings.
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(...) Well, I happen to work for a company which is just about to market a product for dealing with constraints - and this seems as a nice problem for making a small demo this weekend. Fuzziness and perfection must wait, though. I will post an URL (...) (25 years ago, 7-Nov-00, to lugnet.robotics)
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| |
| | (yoda)tizing
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Along the same vein, i'm reverse engineering (slightly) the Tiger Electronics interactive Yoda doll that they relesed in june. If anyone has had related experiences, please contact me ASAP. I've done a few activities, like attaching a camera (for an (...) (25 years ago, 7-Nov-00, to lugnet.robotics)
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| | Re: Old idea or new idea?
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(...) 3 things: sensors, actuators/motors, controllers. Sensors: measure the environment actuators/motors: chance the environment controllers: input, output, software. If you want your zoo of bricks, it's really a set of sensor/controllers or (...) (25 years ago, 2-Nov-00, to lugnet.robotics)
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| | Re: Gear spacings.
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Can't agree with you here Jennifer. I mean, isn't this half the fun of technic building? Working out gear ratio's, how to fit them in your model, changing, compromising.... If you'd write a program like that, link it to some CAD application, and if (...) (25 years ago, 7-Nov-00, to lugnet.robotics)
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| | Re: Wired Article Today
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|
"Vihung Marathe" <lego-robotics@crynwr.com> wrote in message news:3A084DBE.1FBBAD...the.net... (...) Geez, all anybody ever talks about is software. :-) Mike G. (25 years ago, 7-Nov-00, to lugnet.robotics)
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| | CyberMaster online
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I made an attempt to put a CyberMaster online on my WebTruck site Using Perl on Win98 was harder than expected, I still am not able to read from the CyberMaster. I used RCXCC and NQC to write a small proggy for the cybermaster, and control it using (...) (25 years ago, 3-Nov-00, to lugnet.robotics)
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| | Re: [ANN] leJOS: Replacement firmware for the RCX
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-- MIME ATTACHMENTS DISCARDED: 1. Content-Type: message/rfc822 Content-Transfer-Encoding: 7bit Content-Disposition: inline Content-Length: 653 (25 years ago, 7-Nov-00, to lugnet.robotics)
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| | Wired Article Today
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I am sure lots of people will have seen this, but Wired has another article on Mindstorms at (URL) (25 years ago, 7-Nov-00, to lugnet.robotics)
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| | [ANN] leJOS: Replacement firmware for the RCX
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The first beta release of leJOS is out at (URL) leJOS is a Java based replacement firmware for the RCX, forked out of TinyVM ((URL) practically all of its features, plus: - There is a Windows version (CygWin not required). - Much faster Sensor API. (...) (25 years ago, 7-Nov-00, to lugnet.robotics.rcx.java, lugnet.robotics.rcx.legos, lugnet.robotics)
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| | Re: Gear spacings.
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(...) Something else I've thought would be handy would be a program which would take as inputs the desired positions of the input and output axles in a gear train and the desired gear ratio. Space constraints in the form of "bricks" blocking off (...) (25 years ago, 7-Nov-00, to lugnet.robotics)
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| | Re: Funrise treads etc.
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|
(...) ^*shudder* (URL) a big WOW for the sewer rat! Jürgen (25 years ago, 7-Nov-00, to lugnet.robotics)
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| | Re: Funrise treads etc.
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|
I have just put a couple of pictures of the Funrise treads in use on my web page - www.borg.com\~pinkmice. I know there were a few people who had expressed interest in them after I described them here the other day. There's also a couple of views of (...) (25 years ago, 7-Nov-00, to lugnet.robotics)
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| |
| | RE: (furby)tizing
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|
You might take a look around at (URL) or (URL) There is (was? they're a few years old) a fairly active hacking community. The autopsy theme alone is worth visiting the first site for. Complete with toe tags. You'll find a complete schematic and some (...) (25 years ago, 7-Nov-00, to lugnet.robotics)
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| | (furby)tizing
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Has anyone scrapped a furby for use with an rcx? There are many components inside furbies that would make good sensor components, tilt sensors, sound sensors, swithes, ect. Does anyone have thoughts on this and has anyone succsefuly taken apart a (...) (25 years ago, 7-Nov-00, to lugnet.robotics)
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| | Re: Gear spacings.
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This may be more appropriate for lugnet.technic. There has been postings or listings of these before, but don't let that stop you. You should add the turntable gears (outside is 56t, I think) somehow. I also would rather see the vertical in mixed (...) (25 years ago, 6-Nov-00, to lugnet.robotics)
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| | Re: Cheap motors
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|
"John Heins" <Johnmhiii@aol.com> wrote in message news:G3L5n1.BF9@lugnet.com... (...) If only we had them overhere... (...) ARE those gears called??? Gearballs? Duq (25 years ago, 6-Nov-00, to lugnet.robotics)
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| | Gear spacings.
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I've never seen a table of allowed spacings between gear wheels. (For example, two 40t gears will mesh nicely if spaced apart by three studs horizontally and 3 and one-third bricks vertically). I wrote a little program to compute all possible (...) (25 years ago, 6-Nov-00, to lugnet.robotics)
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| | Re: LEGO Mindstorms Book
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|
"Tim Hatch" <lego-robotics@crynwr.com> wrote in message news:003301c04788$a5...nt87636... (...) Sorry there are no expanders/multiplexes. The sensors part of Extreme Mindstorms book is designed to take a person with limited electronics experience (...) (25 years ago, 6-Nov-00, to lugnet.robotics)
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| | Re: Motorize Focus on Vision Command Camera
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|
"Harri 'Junkarn' Manni" <lego-robotics@crynwr.com> wrote in message news:Pine.LNX.4.10.1...vika.se... (...) Sorry for the trauma! I have nightmares about the remaining half. How can I explain its presence in my inventory? What can I do with it? (...) (25 years ago, 6-Nov-00, to lugnet.robotics)
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| | Re: MOC: Radio Controlled Tank.
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|
(...) Thx. (...) I use a 1x3 plate when I want more traction. The problem is that the plates often get ripped of when driving... I prefer the low-friction solution. I am thinking that some glue from my glue gun on each tread link will do the trick. (...) (25 years ago, 6-Nov-00, to lugnet.technic, lugnet.robotics)
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| | Re: Motorize Focus on Vision Command Camera
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|
Hi Robert, (...) thanks for the pictures. One may call your design a bit untraditional and questionable, but on the other side it is a pragmatic and fairly compact solution. I tried to construct a drive made of a single tire meshed with the focus (...) (25 years ago, 6-Nov-00, to lugnet.robotics)
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| | Re: Motorize Focus on Vision Command Camera
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(...) Argh.. A totaly massacred turntable! You should warn more before showing things like this on the web.. :) (Looks excelent btw.) //Harri Manni -"Do not take life too seriously.You will never get out alive." (25 years ago, 6-Nov-00, to lugnet.robotics)
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| | Re: AI in RCX
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|
Hi! Sorry I missed out on the discussion... hope this is not too late to be of some use. I have to agree with Andy here. This type of thing is doable- not easy, but doable. I've implemented some fairly substantial reinforcement learning algorithms (...) (25 years ago, 6-Nov-00, to lugnet.robotics)
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| | Cheap motors
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|
Toys R Us in the metro NY Area (and elsewhere I suspect from the Ebay listings) is selling Znap sets on clearance. The motorized sets are going for $9.97 - far cheaper than the cost of a motor alone. They also include a short electrical cable, one (...) (25 years ago, 6-Nov-00, to lugnet.robotics)
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| | GFLTC at the Mindstorms Mall Tour last Saturday
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|
Hi all, The Greater Florida LEGO Train Club had a display at the LEGO Mindstorms Mall Tour in St. Petersburg, Florida last Saturday (Nov. 4). We (KK and I) had a great time and had allot of positive feedback from the public and the LEGO people. Here (...) (25 years ago, 6-Nov-00, to lugnet.trains, lugnet.robotics, lugnet.events, lugnet.loc.us.fl) !
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| | Re: LEGO Mindstorms Book
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|
----- Original Message ----- (...) Does this book also cover sensor expanders/multiplexers? Thanks, Tim (25 years ago, 4-Nov-00, to lugnet.robotics)
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| |
| | Re: Mindstorms RIS 2.0??
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|
(...) Spring... 2001 Dean -- Coin-Op's For Sale!: (URL) Lego Workshop: (URL) Lego Club: (URL) (25 years ago, 5-Nov-00, to lugnet.robotics)
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| |
| | Mindstorms RIS 2.0??
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|
Anyone see any rumors about when RIS 2.0 might be hitting the shelves? (25 years ago, 5-Nov-00, to lugnet.robotics)
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| | Re: AI in RCX
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|
chv Yes, (URL) really a good site for this kind of stuff. I had read through it some time ago already. But still want to have more advice. Yiu (...) (25 years ago, 5-Nov-00, to lugnet.robotics)
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| | Re: AI in RCX (from proposer)
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rch8 There is no need to apologize as everyone could has his own view. Of course, I understand that you do not have any bad intention. And I believe that there is no "bad" people in our Lego playing groups. Thanks anyway. Yiu (...) (25 years ago, 5-Nov-00, to lugnet.robotics)
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| | Re:AI in RCX (from proposer)
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|
Ok! I should NOT have said that programming neural-networks on the RCX is impossible, and that the only way is to use the PC. And to Yiu, I would like to say that I had no intention of detering you from this project. I agree completely with Andy (...) (25 years ago, 5-Nov-00, to lugnet.robotics)
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| | Re:AI in RCX (from proposer)
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Dear All (...) Yes, that's why I ask for your advice and help. (...) ultra-sonic sensors, so you would need to provide these yourself. The ultra-sonic sensors are already ready (Thanks to JB). They work similar to a light sensor, give reading from (...) (25 years ago, 5-Nov-00, to lugnet.robotics)
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| | Re: Motorize Focus on Vision Command Camera
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|
I works quite well! (URL) Fay rfay@we.mediaone.net The Shop (URL) Fay" <rfay@we.mediaone.net> wrote in message news:G3J75I.89A@lugnet.com... (...) (25 years ago, 5-Nov-00, to lugnet.robotics)
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| | Motorize Focus on Vision Command Camera
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|
The glue is drying. Check it out at: (URL) sawed the tabs off the large half of the Big turntable and scraped the ridge from the center hole. The gear is braced and the glue has been applied. It will be driven with a micromotor and gear train. Tune (...) (25 years ago, 5-Nov-00, to lugnet.robotics)
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| | Re: AI in RCX
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|
I think that you should not immediately discount the idea of nueral networks in the RCX. Bert van Dam has done amazing stuff with networks on the RCX, and using no PC code. The point of the RCX is to try, learn, and invernt, not to say that it is (...) (25 years ago, 5-Nov-00, to lugnet.robotics)
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| | Re: Motorized VC cam focusing
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If you are willing to give up a half of a large turntable, you could glue the large geared half to the rubber on the camera and drive the gear with a motor on top of the camera. A 26t gear will mesh with a gear head motor on top, but it is a bit (...) (25 years ago, 5-Nov-00, to lugnet.robotics)
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| | Re: How2 'count' in NQC
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|
I want to thank everyone who helped with the double problem of switch de-bouncing and that loops can often count continuously while the switch is in actuation. There were good suggestions about removing delays from the code and 'counting' upon (...) (25 years ago, 4-Nov-00, to lugnet.robotics)
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| | Re: MOC: Radio Controlled Tank.
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|
Tobbe, This is a nice looking model, especially with all the functions. As to more traction, you could use alternating regular chain links and tread links and mount a 1x4 plate on each tread link, studs out. I'm not sure how realistic this would (...) (25 years ago, 4-Nov-00, to lugnet.technic, lugnet.robotics)
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| | AI in RCX
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|
(...) AI on RCX] I will believe it when I actually see it. Until then, it remains to me a conceptual possibility (like all projects), but a practical impossibiltiy. My primary reason for suggesting that the goal of the project be reduced was to (...) (25 years ago, 4-Nov-00, to lugnet.robotics)
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| | Re: AI in RCX
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|
Don't forget to take a look at (URL) great site for this kind of stuff. - Christophe - (...) (25 years ago, 4-Nov-00, to lugnet.robotics)
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| | Re: AI on RCX - oops
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|
I forgot to metion.. a very good, and practical book on Neural Networks is "Machine Learning" by Tom M. Mitchell (1997). Includes theory and examples. But working with Finite State Machines is a much more reasonable starting point for RCX. rama (25 years ago, 4-Nov-00, to lugnet.robotics)
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| | Re: AI in RCX
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|
You picked a challenging project. It is not possible for the RCX to do Neural Networks alone, since the RCX does not have the command set, and is not a fast enough processor to calculate the weights of the Neural Network. Also, the RCX doesn't have (...) (25 years ago, 4-Nov-00, to lugnet.robotics)
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| | Re: Motorized VC cam focusing
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|
(...) Well i havent tried anything myself but i think the most effective way would be to use a tire in contact with the lens. You've probably tried that already, but it was the first thing that came to mind. hope it helps. (25 years ago, 4-Nov-00, to lugnet.robotics)
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| | Motorized VC cam focusing
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|
Hi, I wonder if anybody has succeeded in building a motorized focus controller for the Vision Command cam. So far I have tried several ideas but none was very effective. I am looking for better ideas. Jan (25 years ago, 4-Nov-00, to lugnet.robotics)
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| | AI in RCX
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|
I want to program AI into RCX that can avoid objects by the readings of 3 three ultra-sonic sensors. I am supposed to use Neural Network. But I difficult as the programming is limited by the RCX (even RCX 2.0 is used) Would you be kind enough to (...) (25 years ago, 4-Nov-00, to lugnet.robotics)
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| | Re: How2 'count' in NQC
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|
In lugnet.robotics, Jerry Kalpin writes: [SNIP] (...) There is an EDGE mode available through the firmware that only counts transitions between pressed and non-pressed (actually some raw threshold value if I remember correctly) states. This sensor (...) (25 years ago, 3-Nov-00, to lugnet.robotics)
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| | Re: How2 'count' in NQC
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|
I have noticed this ongoing thread about the difficulties of debouncing and counting switch closures, and I must say that it is a very real problem anywhere electromechanical switches are interfaced to electronics which is orders of magnitude (...) (25 years ago, 3-Nov-00, to lugnet.robotics)
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| | Re: How2 'count' in NQC
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|
Steve, this is the third time you have helped me, and this time you obviously spent a lot of time working out the alternatives. First of all, the Wait (DELAY); in my inept code was not to flash every half second. It was to prevent additional counts (...) (25 years ago, 3-Nov-00, to lugnet.robotics)
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| | Re: Radio Controlled Tank - tread lightly.
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(...) Yes, please! :) Have to check if they sell Funrise brand toys here in Sweden. //Harri Manni -"Do not take life too seriously.You will never get out alive." (25 years ago, 3-Nov-00, to lugnet.robotics)
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| |
| | Re: MOC: Radio Controlled Tank.
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|
(...) Here's an idea you can try to have them slip a bit less. Do you have the ordinary chain links too? Then ones without the wide tread? If so use an ordinary chain link for every third link, say. Like this: ##=##=##=##= Perhaps this will give (...) (25 years ago, 3-Nov-00, to lugnet.technic, lugnet.robotics)
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| | Re: MOC: Radio Controlled Tank.
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|
(...) Thanks :) (...) Yes, they sure were. One of 'em I even managed to scare twice, first when the tank entered the room and then when it actually fired a projectile :) To bad it takes almost half a minute to set the cannon horisontally, I have to (...) (25 years ago, 3-Nov-00, to lugnet.technic, lugnet.robotics)
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| | Re: MOC: Radio Controlled Tank.
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|
(...) Thanks! So do I :) (...) It's from before my dark ages, mainly the 8851 Excavator and the 8660 Arctic Rescue, I also got two with the 8843 Fork Lift truck. They usually look better then they work since they tend to slip a lot, but in this case (...) (25 years ago, 3-Nov-00, to lugnet.technic, lugnet.robotics)
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| |
| | Re: Palm Hardware Interface idea? + other stuff
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|
(...) It's basically the same serial data connection as the RCX. It just uses radio for transmission instead of infrared, so it goes around corners and has a longer range. Jürgen (25 years ago, 3-Nov-00, to lugnet.robotics)
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| |
| | Re: RCX 2
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|
(...) You can start by doing some searches on this newsgroup for the 3 or so discussions on this very topic. Dean -- Coin-Op's For Sale!: (URL) Lego Workshop: (URL) Lego Club: (URL) (25 years ago, 3-Nov-00, to lugnet.robotics)
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| | Re: How2 'count' in NQC
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(...) The sensor returns 1 for as long as it's held down. In your code: (...) You are actually counting how long the switch is held down - in units of about a half second. So if you press and hold the switch for ten seconds, you'll get a count of (...) (25 years ago, 3-Nov-00, to lugnet.robotics)
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| | Re: RCX2
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(...) Right now, it's just a different firmware package that you can download into any RCX. You can get a copy on the main Lego site and upgrade your RCX 1.0 or 1.5 to the 2.0 software level...it's a significant improvement if you use NQC - it adds (...) (25 years ago, 3-Nov-00, to lugnet.robotics)
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| | RCX 2
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Hi, heh... and what is RCX2 ? Where can I find some infos about differences between RCX and RCX2 ? Thanx. Norbi (25 years ago, 3-Nov-00, to lugnet.robotics)
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| | Re: MOC: Radio Controlled Tank.
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(...) Wow...this creation looks awesome. Great work! (...) Heheh...That seems like it would be really neat...they must have been quite surprised :-) As a side note, does anyone know how one can get extra polarity switches? They appear in some older (...) (25 years ago, 3-Nov-00, to lugnet.technic, lugnet.robotics)
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| | Re: Old idea or new idea?
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(...) idea (...) Lego uses standard TV remote control technology, but passes ASCII serial data instead of TV REMOTE commands. Before Mindstorms was around, I built (and sold a few) battery operated control units for use with Lego motors. This (...) (25 years ago, 3-Nov-00, to lugnet.robotics)
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| | How2 'count' in NQC
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In NQC you count by adding 1 to a variable like this: int counter; counter += 1 But it's hard to know *how much* you have counted; however, you can build a little program to (say) flash a light when you reach a certain count. I have spent about 4 (...) (25 years ago, 2-Nov-00, to lugnet.robotics)
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| | Re: RCX Blowed up?
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"Dean Husby" <nntp@akasa.bc.ca> schreef in bericht news:39FF5AFC.56C070...a.bc.ca... (...) from (...) It (...) interchangable. (...) then (...) In my opinion, 9V DC 500mA to 1A or 8V AC 500mA to 1A Answers this your question ? Rik (25 years ago, 2-Nov-00, to lugnet.robotics)
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| | Re: Old idea or new idea?
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"John Barnes" <lego-robotics@crynwr.com> schreef in bericht news:4.2.0.58.200011...lserver... (...) but the problem is , Lego doesn't used a standard IR-protocol but a carier-based IR-communication. And that means filters demodulation and a lot of (...) (25 years ago, 2-Nov-00, to lugnet.robotics)
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| | Re: RCX respond time
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"Eelco Kooiker" <eelco@kooiker.demon.nl> schreef in bericht news:G3EsvE.BI1@lugnet.com... (...) is (...) each (...) 3 (...) excelent work of Kekoa Proudfoot (Tolkien ?) speaks about 10mS clicks in with a task is activated, so I presume that there (...) (25 years ago, 2-Nov-00, to lugnet.robotics)
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| | RE: Old idea or new idea?
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Ralph Hempel wrote: >Sounds like the MIT "Cricket" to me John.... >As an embedded guy yourself, you know this means distributing >power to each brick with its own battery, unless you want a wire >in which case you might as well use a standard serial (...) (25 years ago, 2-Nov-00, to lugnet.robotics)
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| | RE: Old idea or new idea?
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(...) Sounds like the MIT "Cricket" to me John.... As an embedded guy yourself, you know this means distributing power to each brick with its own battery, unless you want a wire in which case you might as well use a standard serial link :-) Maybe (...) (25 years ago, 2-Nov-00, to lugnet.robotics)
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| | Old idea or new idea?
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While pondering the merits of various schemes for adding more I/O to the RCX, and having already built a few different schemes myself just to be able to test drive them, I was struck by the interesting possiblity of seriously extending the RCX my (...) (25 years ago, 2-Nov-00, to lugnet.robotics)
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| | Re: Palm Hardware Interface idea?
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Got some specs for the SV200 controller board that the PPRK uses: The SV203 is a Microchip PIC16C73 microcontroller based servo motor controller board. It accepts RS232 serial data signal from a host computer and outputs PWM (pulse width modulated) (...) (25 years ago, 2-Nov-00, to lugnet.robotics, lugnet.robotics.palm)
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| | RE: Palm Hardware Interface idea? + other stuff
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yes, cool idea. I have a learning curve to go through, but I'd be interested in pursuing this. Incidentally, it was that palm kit mentioned on slashdot (actually I got there via Wired.com) that I'm waiting on... acroname.com have created a kit under (...) (25 years ago, 2-Nov-00, to lugnet.robotics)
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| | Palm Hardware Interface idea?
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(...) <snip> (...) Hmmm...I was thinking about this after I saw the Palm Pilot based robot kit on Slashdot. How about a modified interface board that connects with the Palm Pilot via the serial port and then it has an array of RCX compatible Inputs (...) (25 years ago, 2-Nov-00, to lugnet.robotics)
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| | RCX respond time
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I have some questions about the RCX. When I make a very simple program: Turn on motor A when Touchsensor 1 is pressed. How long takes it when I press the touchsensor before the motor is turning? 1 clockcylce of the CPU? When I make a program where (...) (25 years ago, 2-Nov-00, to lugnet.robotics)
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| | Mini-Robomind
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I was wondering how many people out there have used the Mini-Robomind? (URL) you have and you've set up a web-page or have experienced any trials or tribulations I'd like to hear about them? Please let me know as we are considering using this board (...) (25 years ago, 2-Nov-00, to lugnet.robotics)
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| | Re: Radio Controlled Tank - tread lightly.
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Treads are a subject of particular interest to me. Most of my constructions are done with 100% pure Lego with the exception of my various sensors of course which often form the raison d'etre for building them in the first place. Treads are a (...) (25 years ago, 2-Nov-00, to lugnet.robotics)
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