 | | Re: Pneumatics: the old and the new
|
|
(...) Now things get a little philosophical :) The air tank itself has no idea about vacuum or pressure. The only thing the tank stores is a pressure difference. The difference between the outer pressure and the inner presure. This difference might (...) (23 years ago, 2-Mar-02, to lugnet.technic, lugnet.robotics)
|
| |
| | Re: Pneumatics: the old and the new
|
|
Hi there, Rob That thread led to an extensive discussion into the depths of "vacuum storage". It would appear that storing compressed air is no problem but 'the whole concept of "storing vacuum" is a little disturbing.' Well, you can certainly pump (...) (23 years ago, 2-Mar-02, to lugnet.technic, lugnet.robotics)
|
| |
| | Re: Pneumatics: the old and the new
|
|
Wow!! That is a fantastic model, it's a shame they're not produced anymore - I wonder if TLG would be capable of manufacturing parts which function the same way as the old ones did? If it were possible to obtain new parts that performed the same (...) (23 years ago, 2-Mar-02, to lugnet.technic, lugnet.robotics)
|
| |
| | VOTE: Technic Model of the Month - February
|
|
FUT: lugnet.technic Hi there! As it is a new month it's not only time to select the best MOTM on ldraw.org but also time to vote for the best _Technic_ MOTM! I got nine entries this first very short premier month, see them and judge them here: (URL) (...) (23 years ago, 1-Mar-02, to lugnet.technic, lugnet.publish, lugnet.fun, lugnet.build, lugnet.general, lugnet.robotics)
|
| |
| | Pneumatics: the old and the new
|
|
Hello pneumatics fans, I have been working a lot with pneumatics lately, and have made some interesting discoveries. I think the most notable is a method of using the old style red cylinders with the new pneumatics system. I came across this as I (...) (23 years ago, 1-Mar-02, to lugnet.technic, lugnet.robotics)
|
| |
| | Re: pbrick.dll
|
|
(...) spirit.ocx (...) as for the spirit.ocx? (...) comes in the (...) Hi, I don't know about pbrick.dll, but Lego finally made the RIS2 SDK available. Besides a linkable API dll ("Ghost") it also contains a COM server with functionality similar to (...) (23 years ago, 1-Mar-02, to lugnet.robotics.rcx)
|
| |
| | Re: reliability of quad speed LNP
|
|
(...) Probably depends on the make-up of the data you're transferring. ROSCO (23 years ago, 28-Feb-02, to lugnet.robotics.rcx.legos)
|
| |
| | burned chip?
|
|
Hi everyone, I've recently put together a handyboard kit. The construction went fine and I was very impressed with the step by step instructions provided from handyboard.com. Anyway, the board just stopped working after just two days of usage. I (...) (23 years ago, 28-Feb-02, to lugnet.robotics.handyboard)
|
| |
| | Re: reliability of quad speed LNP
|
|
So with inverting every other message byte were you able to work at 4x? Were you then also able to work at close range at 4x? It would seem easy to patch LNP to automatically do this inversion. I'll have to give this a try. thanks, mark (23 years ago, 28-Feb-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: RFC: Creation of Version 0.2.6
|
|
(...) We asked our lawyers about this many months ago, when the whole issue first came up. It's okay with them if the name "legOS" is used in a "formerly known as" context. Just like what you describe, basically - to make sure people understand that (...) (23 years ago, 27-Feb-02, to lugnet.robotics.rcx.legos)
|
| |
| | h8/300 16-bit multiply
|
|
I'm trying to implement a 16bit multiply that leaves a 32bit result on the H8/300. The RCX ROM includes 16x16=16 and 32x32=32 multiplication routines, but not the intermediate step. Any hints or pointers? (it should be straightforward, but my eyes (...) (23 years ago, 27-Feb-02, to lugnet.robotics.rcx)
|
| |
| | pbrick.dll
|
|
Hi everyone, I found this replacement controller of the spirit.ocx Does anyone know if there is any documentation for pbrick.dll?Or is it the same as for the spirit.ocx? Another question:Does the pbrick.dll support the USB tower that comes in the (...) (23 years ago, 27-Feb-02, to lugnet.robotics.rcx)
|
| |
| | Re: Power to RCX
|
|
Hi every one, Thanks for all your help on my previous inquiery. My other idea is, to power my newly acquired Scout with a Solar panel. The Solar panel (car battery saver) is 12V at ~70mA; which I intend to connect a Voltage converter (ready made (...) (23 years ago, 27-Feb-02, to lugnet.robotics.rcx)
|
| |
| | Re: reliability of quad speed LNP
|
|
"Mark Falco" <falcom@onebox.com> wrote in message news:Gs44C0.MGL@lugnet.com... (...) <<snip>> I'm not familiar with LNP but I have also experienced similar messaging problems. I have an old RCX 1.0 (S/N 22751) with serial tower and a newer RCX 2.0 (...) (23 years ago, 27-Feb-02, to lugnet.robotics.rcx.legos)
|
| |
| | analog ports on handyboard?
|
|
We are trying to use the Analog Ports with the Sharp GP2D12 and a potentiometer and are having difficulty with ports 0 -3. When we write to the ADCTL register to read any ports 0 - 3, it reads the respective high ports. For example, when we want to (...) (23 years ago, 27-Feb-02, to lugnet.robotics.handyboard)
|
| |
| | Re: Communication between 2 Robots - Movement transmition
|
|
I did something simple in my book where each robot had an angle sensor, and could copy each other's 1D movement. Some grad students at Tufts did the same thing with 2 angle sensors on each robot and 2D movement. Both projects also then expanded to (...) (23 years ago, 27-Feb-02, to lugnet.robotics.rcx.java)
|
| |
| | Re: BricxCC release 3.3.3.8
|
|
(...) It looks like the "slowness on shutdown" that I was experiencing when I closed BricxCC while multiple editor windows were open was causing access violations on your machine. What was happening was the code explorer would kick off a thread to (...) (23 years ago, 26-Feb-02, to lugnet.robotics.rcx.nqc)
|
| |
| | Re: Java Mindstorms API
|
|
Hi Keith, (...) on the site I saw: To build an equivalent system for on-board ML programming of the RCX using the Lejos operating system Great project, finally there will be a decent programming language for the RCX ;-) Should better get going with (...) (23 years ago, 26-Feb-02, to lugnet.robotics.rcx.java, lugnet.robotics.rcx)
|
| |
| | Re: reliability of quad speed LNP
|
|
I have found that between a rather old PC and a RCX I cannot use quad speed transfer of data as the RCX cannot keep up. When a different (faster) PC and the same RCX I can use quad speed transfer. I guess it comes down to protocol timing. LNP does (...) (23 years ago, 26-Feb-02, to lugnet.robotics.rcx.legos)
|
| |
| | Re: BricxCC release 3.3.3.8
|
|
hi John, getting the latest video driver (Geforce 2MX, driver DetonatorXP v23.11) didn't help :-(, but .... you're new version 3.3.3.9 DID help :-) So thanks again ! I can't see any relevant changes from your "enhancements" list, but maybe you (...) (23 years ago, 26-Feb-02, to lugnet.robotics.rcx.nqc)
|
| |
| | reliability of quad speed LNP
|
|
Does anyone have any data on the reliability of quad speed LNP? I've been using quad speed LNP for downloading programs to my 1.0 RCX for some time, and never had a problem. Recently I'd bowored a friends 1.0 RCX so that my bot could have two RCXs. (...) (23 years ago, 25-Feb-02, to lugnet.robotics.rcx.legos)
|
| |
| | BricxCC release 3.3.3.9
|
|
I've released another version of BricxCC (3.3.3.9). In this release: 1) Fixes to Cybermaster-specific items on the Watch window and graph 2) Fixed slow shutdown caused by Code Explorer 3) Added hints on Code Explorer preferences dialog to help (...) (23 years ago, 25-Feb-02, to lugnet.robotics.rcx.nqc)
|
| |
| | Re: windows ce
|
|
"John Barnes" <barnes@sensors.com> wrote in message news:Gs3Dus.6z2@lugnet.com... (...) sent (...) he (...) him (...) bricks. (...) can (...) just thinking about it, one should be able to adapt the circuit to take a smaller battery add-on to use (...) (23 years ago, 25-Feb-02, to lugnet.robotics, lugnet.robotics.palm)
|
| |
| | Re: problems with communications
|
|
(...) Dear oh dear. Probably because I'm being dense. (...) And the obvious answer - if it's software handshaking I should be able to see it with software. Having written a program to feed the serial port arbitary bytes and capture and log arbitary (...) (23 years ago, 25-Feb-02, to lugnet.robotics.rcx.pbforth)
|
| |
| | Re: VC limitations - Is there an alternative?
|
|
From Lego Studios, I have been able to access other cameras by editing a line in Registry HKEY_CURRENT_USER\Software\LEGO Media\LEGO Studios\Capture Video capture driver name LEGO Cam If you change this value to the name of your alternative cam (...) (23 years ago, 25-Feb-02, to lugnet.robotics)
|
| |
| | problems with communications
|
|
I'm trying to get started with pbforth, but not finding it easy. While I know no forth, I'm happy with RPN (long-time HP calculator user) and stacks, dictionaries and defining words (ex-Postscript programmer). What I'm struggling with is getting as (...) (23 years ago, 25-Feb-02, to lugnet.robotics.rcx.pbforth)
|
| |
| | Re: Echoing printf to terminal
|
|
this is from george musser. enjoy. - fred My advanced library of routines ((URL) includes a kludgy way to echo printf() to the IC command line. Look at the function iprintf() in the file advlib_utility.c. The routine sets up a character pointer to (...) (23 years ago, 25-Feb-02, to lugnet.robotics.handyboard)
|
| |
| | Re: Echoing printf to terminal
|
|
i don't know this offhand. you'd have to assemble the pcode source and look and see where it ends up. it's a ring buffer tho' so it might be a little tricky. you'd be better off patching the lcd print interrupt routine (it unspools one char per ms (...) (23 years ago, 25-Feb-02, to lugnet.robotics.handyboard)
|
| |
| | Re: Echoing printf to terminal
|
|
this is non-trivial. The -loopback option isn't what you think it is; it's a flag telling the downloader that the low-level serial ckt has a hardware echo. it's relevant to an earlier 6811 design (the mini board), not the HB design. this would (...) (23 years ago, 25-Feb-02, to lugnet.robotics.handyboard)
|
| |
| | Re: Interactive C
|
|
You have to coerce the int to a float, e.g: int i= 7; float j= 3.; float result; result = j * (float)i; The above should work. Please let me know if not. Fred (...) (23 years ago, 25-Feb-02, to lugnet.robotics.handyboard)
|
| |
| | Echoing printf to terminal
|
|
Hi folks, We have been looking for a way to echo the printf()s on LCD to the IC terminal on host computer (using 2.86 - freeware). IC has a -loopback option, but apparently that only works for HB rev 1.5 and earlier. Is there a way to do this with (...) (23 years ago, 25-Feb-02, to lugnet.robotics.handyboard)
|
| |
| | Java Mindstorms API
|
|
Hi all, I'm a 4th year computer science student and have just developed an add on to the RCXPort API for mindstorms control for the purpose of using with standard ML as part of my 4th year project. The website is www.dcs.ed.ac.uk/~kv...oject.html (...) (23 years ago, 25-Feb-02, to lugnet.robotics.rcx.java, lugnet.robotics.rcx)
|
| |
| | Interactive C
|
|
(Perhaps this isn't the right place to ask questions about I.C. but it is related to the handy board so I will continue) I am trying to write a program that uses the lego sensors and multiplies them by constants that are floats. The expansion board (...) (23 years ago, 25-Feb-02, to lugnet.robotics.handyboard)
|
| |
| | Re: windows ce
|
|
(...) it's; (URL) (23 years ago, 25-Feb-02, to lugnet.robotics, lugnet.robotics.palm)
|
| |
| | come to the First Annual New England Botfest, Saturday, March 9th!
|
|
All, We're looking for people to bring robots, robotic gadgets, or any other sort of robotic invention/art/contra...n/whatever to our first annual New England Botfest. The BotFest is on Saturday March 9, 2002, at the UMass Lowell campus in Lowell, (...) (23 years ago, 25-Feb-02, to lugnet.robotics.handyboard)
|
| |
| | Extensions to Scout via VLL
|
|
Hi, I am a newbe to lugnet so please forgive me for verboseness and the cross post to the two groups, but my request seems to be across both. My son has been using a scout & microscout in combination for 3 motor robots for some time, using the scout (...) (23 years ago, 25-Feb-02, to lugnet.robotics.vll, lugnet.robotics.scout)
|
| |
| | Re: windows ce
|
|
"Dean Husby" <nntp@akasa.bc.ca> wrote in message news:Gs0uDw.M70@lugnet.com... (...) control (...) for (...) Well. I can't seem to find it, I did get mine as a demo from John, He sent me a GIF of the circuit but i can't find that either. I don't (...) (23 years ago, 25-Feb-02, to lugnet.robotics, lugnet.robotics.palm)
|
| |
| | VC limitations - Is there an alternative?
|
|
Hopefully this topic hasn't been beat to death... Over the past few months I've been able to borrow quite a few web cams and only the Logitech USB ones work (which makes sense considering the Lego cam is Logitech), except for a parallel port (...) (23 years ago, 25-Feb-02, to lugnet.robotics)
|
| |
| | Re: Rotation sensor
|
|
"Claude Baumann" <cbaumann@ci.educ.lu> wrote in message news:Grz8BH.AMv@lugnet.com... (...) There is an opcode (0xD1) to set it to zero. No capability to set it to a specific non-zero value. (23 years ago, 24-Feb-02, to lugnet.robotics)
|
| |
| | Re: Idea de Emulador RCX
|
|
(...) Yes. But that would not be enough. In fact, I was thinking about such an emulator to get rid of some crashes in legOS. But one has to mimic the whole seonsor input and motor output possibilities. Imagine a robot with two motors and a rotation (...) (23 years ago, 24-Feb-02, to lugnet.robotics)
|
