 | | Re: RCxcc
|
|
use bircxcc (22 years ago, 14-Dec-03, to lugnet.robotics.scout)
|
| |
| | Re: Bump switches and "aggression"
|
|
there's probably a way to use a light sensor to sense four different colored bricks. one for each direction. = sensor red ylw blue wht / ---\ /---- different heights of 'wedges' would lift a column, as a bumper is either slid in, or the bumper (...) (22 years ago, 16-Dec-03, to lugnet.robotics)
|
| |
| | Re: Bump switches and "aggression"
|
|
You could attach 2 touch sensors to each port and take a look at the raw values when different combinations of the sensors are pressed. ----- Original Message ----- From: "Øyvind Steinnes" <phoenix@online.no> To: <lego-robotics@crynwr.com> Sent: (...) (22 years ago, 16-Dec-03, to lugnet.robotics)
|
| |
| | Re: Bump switches and "aggression"
|
|
By the way, there are 5 states, all switches off, and each of the 4 switches. (That does not count the combinations if more than one switch were triggered at the same time). Thus a binary solution would take three inputs, just one less than the (...) (22 years ago, 16-Dec-03, to lugnet.robotics)
|
| |
| | Re: Alternate Energy Sources
|
|
"Nikhil Sarma" <lego-robotics@crynwr.com> wrote in message news:1071524909.3fde...ojo.com... (...) prospect of (...) I have done some experimenting with the Lego Solar panel with the Lego capacitor. Each solar panel with the capacitor will provide (...) (22 years ago, 16-Dec-03, to lugnet.robotics)
|
| |
| | Re: Bump switches and "aggression"
|
|
For a pure Lego solution, you could try rigging up something with a rotation sensor that would have the sensor point in the direction of the collision. Suppose the rotation sensor was mounted with it's input shaft pointing up vertically - with a (...) (22 years ago, 16-Dec-03, to lugnet.robotics)
|
| |
| | Re: Bump switches and "aggression"
|
|
There was discussion of one company that made switches with analog values that could be mixed, but they were apparently either expensive or hard to find (at least there was some difficulty). But simple resistor network, say a load resistor to ground (...) (22 years ago, 16-Dec-03, to lugnet.robotics)
|
| |
| | Re: Alternate Energy Sources
|
|
(...) It would take a truly immense number of solar panels to drive an RCX with a couple of motors. The Lego Solar Panel (you can get it from Pittsco Dacta from their educational stuff) just barely drives one motor...very slowly - and then only in (...) (22 years ago, 15-Dec-03, to lugnet.robotics)
|
| |
| | Re: Bump switches and "aggression"
|
|
"Rob Limbaugh" <lego-robotics@crynwr.com> wrote in message news:004201c3c2be$0a...markera... (...) can (...) How can I attach lets say 4 switches so the make a binary code, (4switches should need only two ports). I want to have one switch on each (...) (22 years ago, 15-Dec-03, to lugnet.robotics)
|
| |
| | Alternate Energy Sources
|
|
I'm programming the RCX in the leJOS environment and don't like the prospect of downloading the firmware everytime I have to replace batteries. How good and reliable are the solar panels available for the RCX 2.0? Is anybody on the list using an (...) (22 years ago, 15-Dec-03, to lugnet.robotics)
|
| |
| | Re: Direct Link (was Global Objects was Strange RCX startup issues)
|
|
(...) perfect! Step by step directions. Thanks. (...) So, now I can use the 'run' button to do other stuff, right? Or, for that matter, I could do other stuff with the On/Off button. After I turn it off (using the code listed), then, I can just turn (...) (22 years ago, 15-Dec-03, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Vision command + linux
|
|
(...) Can you explicit your method, give us some reference ? I really want to try it ! nanobapt (22 years ago, 15-Dec-03, to lugnet.robotics)
|
| |
| | Re: Bump switches and "aggression"
|
|
Finally, I think I see the point to the 360-degree-all-purpo...-sensor... I was preparing a comment about putting a bot with only one bump sensor into an empty, small (two-foot) diameter arena and wait for it to get stuck... Then I realized that it (...) (22 years ago, 15-Dec-03, to lugnet.robotics)
|
| |
| | Re: Vision command + linux
|
|
(...) Do you have a web site or something where I could read more about this? ---...--- Steve Baker ---...--- HomeEmail: <sjbaker1@airmail.net> WorkEmail: <sjbaker@link.com> HomePage : (URL) : (4 URLs) GEEK CODE BLOCK----- GCS d-- s:+ a+ C++++$ (...) (22 years ago, 14-Dec-03, to lugnet.robotics)
|
| |
| | Re: Vision command + linux
|
|
Steve (...) That must be fairly costly if you want bigger offsets and probably fails during a zoom or roll of the camera. (...) Makes sense. If you convert the image into (straight or curved) line segments then its easier and cheaper to match (...) (22 years ago, 14-Dec-03, to lugnet.robotics)
|
| |
| | walking robot
|
|
Hi, I find on brickshelf this nice walking robot. I would like to see a video......... (URL) (22 years ago, 14-Dec-03, to lugnet.robotics)
|
| |
| | Re: Bump switches and "aggression"
|
|
(...) Actually you don't, you want a different level of sensors to evaluate the environment (eg ir object sensors). You're just complicating your design by putting too many functions on each layer of sensors. For example, something bumps you from (...) (22 years ago, 13-Dec-03, to lugnet.robotics)
|
| |
| | Re: Direct Link (was Global Objects was Strange RCX startup issues)
|
|
(...) Ok, I'll take a shot at it: 1) Make a new directory in the root BrickOS directory called pgm. 2) Copy the files config.h and Makefile from the boot directory to the pgm directory. 3) Copy your C files to the pgm directory. 4) Edit config.h (in (...) (22 years ago, 13-Dec-03, to lugnet.robotics.rcx.legos)
|
| |
| | Legway going to be revisited
|
|
has anyone used the acceleration sensor from www.techno-stuff.com? i keep thinking that it could be used in conjunction if the IRPD sensor for more reliable balancing....or even as a substitute... also i seem to be having problems posting from my (...) (22 years ago, 12-Dec-03, to lugnet.robotics)
|
| |
| | Re: BricxCC release 3.3.7.6
|
|
(...) Thanks! It does work well! My files had a .txt extension. But since I've renamed them, it works beautiful. (...) Very impressive and useful features. (...) Now I get it! (...) You're right (...) I renamed the help files back and it's great (...) (22 years ago, 12-Dec-03, to lugnet.robotics.rcx.pbforth, FTX)
|
| |
| | handyboard for sale
|
|
Hi I have few NEW assembled handyboards for sale. if any one interested visit (URL) (22 years ago, 13-Dec-03, to lugnet.robotics.handyboard)
|
| |
| | Re: Vision command + linux
|
|
(...) My son is into adding 3D graphics to video footage to create short movies with stuff like flying saucers attacking our car. (URL) out the "Making of" link up at the top somewhere). To do that, we needed figure out where to draw the 3D (...) (22 years ago, 12-Dec-03, to lugnet.robotics)
|
| |
| | Re: ROM image using USB tower
|
|
Okay, I gave in and bought one of the serial towers listed on bricklink. I now have a ROM image, but am unable to disassemble it. Whatever options I pass to h8300-hitachi-hms-objdump I get: BFD: rom.srec:12: Unexpected character `0' in S-record file (...) (22 years ago, 11-Dec-03, to lugnet.robotics.rcx)
|
| |
| | Re: Vision command + linux
|
|
someone ask me to diffuse my code .... then it's here : (URL) can use it to make your own project. Please read the README and if you have any question mail me nanobapt (22 years ago, 12-Dec-03, to lugnet.robotics.rcx.legos, lugnet.robotics)
|
| |
| | Re: Vision command + linux
|
|
(...) LOL, thanks (...) I wil try some method to fixe it nanobapt (22 years ago, 12-Dec-03, to lugnet.robotics.rcx.legos, lugnet.robotics)
|
| |
| | legousbtower and Linux Redhat 9
|
|
I'm trying to install the LEGO USB tower on my Linux computer, running Redhat 9 Kernel 2.4 It won't compile. Error messeages are of the type below. How do I work around it? /Hans In file included from /usr/include/linux/sched.h:13, from (...) (22 years ago, 12-Dec-03, to lugnet.robotics)
|
| |
| | Re: Vision command + linux
|
|
(...) This is a pretty cool technique! I really like the middle picture (movehead2.jpg) just as a work of art. (...) You could overcome this by subtracting out the minimum pixel change from all pixels. So if the entire picture gets brighter or (...) (22 years ago, 12-Dec-03, to lugnet.robotics.rcx.legos, lugnet.robotics)
|
| |
| | Re: Avoiding objects
|
|
(...) Dear Roger, In addition to the stuff they sell at www.hitechnic.com there are the following vendors of alternative sensors: www.techno-stuff.com www.mindsensors.com (Of course there are also the sensors from DCP which they sell at (...) (22 years ago, 12-Dec-03, to lugnet.robotics)
|
| |
| | Vision command + linux
|
|
I've test a new filter for the camera .... In my first study I applied a filter only in one image .... Now I take the "time" parameter ! I make a difference between two image and here is the result When nothing move : (URL) I move my head : (URL) (...) (22 years ago, 11-Dec-03, to lugnet.robotics.rcx.legos, lugnet.robotics)
|
| |
| | Re: NQC's future
|
|
Sorry for the french .... But the description is true nanobapt (22 years ago, 11-Dec-03, to lugnet.robotics.rcx.nqc, lugnet.robotics.spybotics)
|
| |
| | Mindstorms enthusiasts around Huntington Beach?
|
|
Hello, Just wanted to know if any list members live in or close to Huntington Beach. Send me an email and we could perhaps meet and exchange designs and ideas. N. (22 years ago, 11-Dec-03, to lugnet.robotics)
|
| |
| | Direct Link (was Global Objects was Strange RCX startup issues)
|
|
In lugnet.robotics.rcx.legos, Mark Riley wrote: ... (...) All right, this brings up an interesting question. I can use BrickOS well enough to make it do cool stuff, but I really don't know all the cool stuff BrickOS can do... If I read this (...) (22 years ago, 11-Dec-03, to lugnet.robotics.rcx.legos)
|
| |
| | H8 emulator
|
|
Hi, I saw a posting on lugnet from a year ago that you were working on an H8 emulator. Are you still working on it? I need an emulator for the processor for a class I'm teaching... Any info would be great! Thanks, Jason (22 years ago, 11-Dec-03, to lugnet.robotics)
|
| |
| | Re: Avoiding objects
|
|
(...) I haven't dabbled with Mindstorms for a while, but I had pretty good luck using the IR on the RCX in combination with a light sensor. Basically, have the RCX continously send out an IR message. The light sensor can detect the IR light when it (...) (22 years ago, 11-Dec-03, to lugnet.robotics)
|
| |
| | Re: Avoiding objects
|
|
Steve, Thanks for the info! I've placed an order for the US sensor (well, a pre-order, as they say they'll be shipping orders out only around Jan.2004). They are a little expensive though, I must say. Is this sensor easy to control when programming (...) (22 years ago, 11-Dec-03, to lugnet.robotics)
|
| |
| | Re: My problems with adding a Best Fit algorithm for memory management to kernel/mm.c
|
|
Mark Riley wrote: [snip] (...) This is easy enough to implement (1 or 2 lines), but raises the question: Should these memory strategies be included with BrickOS (with a config.h flag to control it)? I am sure the educators would rather leave that (...) (22 years ago, 11-Dec-03, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Global Objects was Strange RCX startup issues
|
|
Understood. In this case, I am thinking that the option should be ON by default; such that a new, less experienced user would not encounter a problem; but an experienced user could turn the option off. // Joe (...) (22 years ago, 11-Dec-03, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Global Objects was Strange RCX startup issues
|
|
(...) But, it perhaps should default to being enabled as this deficiency has caused some confusion in the past. Great work, Joe! Mark (22 years ago, 11-Dec-03, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Global Objects was Strange RCX startup issues
|
|
(...) I opt for option. Not much may be to much in some cases. And I don't want to program in c++ anyway. Regards, Michael (22 years ago, 11-Dec-03, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Global Objects was Strange RCX startup issues
|
|
(...) [snipped] (...) I simply added ctor_size and dtor_size to the *image*, *lx* and *program* structures. This allows the program manager to calc the start and end of these segments. (...) It wasn't as hard as I had thought. I have the fix (...) (22 years ago, 11-Dec-03, to lugnet.robotics.rcx.legos)
|
