 | | pneumatic trouble
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Kevin- I am trying to build a heavy duty automatic truck transmission, and I have a few questions concerning pneumatics. 1) I did a few rough sketches of what the transmission would look like (the main part of it is the valve, which I originally (...) (20 years ago, 17-Jul-04, to lugnet.robotics.rcx.robolab, lugnet.robotics.rcx.legos, lugnet.technic)
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| | Re: Communication Speed, PC -> RCX, LEJOS!
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(...) I could not repeat your experiment exactly because I don’t have a joy stick. So instead I wrote a pair of programs that send single byte messages between the PC and the RCX. The RCX adds 1 to the incoming byte and immediately send it back. The (...) (20 years ago, 14-Jul-04, to lugnet.robotics.rcx.java, lugnet.lego.dacta, lugnet.robotics.edu, lugnet.robotics.rcx.legos, FTX)
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| | Re: Communication Speed, PC -> RCX, LEJOS!
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From the picture (d1_p31) it looks as though all 4 RCXs can see the tower. I don't know anything about pcrcxcomm.jar or rcxf7port; and not much about lejos, however, if all 4 RCXs try to respond to the tower, you will have collisions. Try covering (...) (20 years ago, 7-Jul-04, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos, lugnet.robotics.rcx.java)
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| | Communication Speed, PC -> RCX, LEJOS!
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Hi everyone, Im working on a project with controlling a large Container Crane by 4 RCXs. I have implementet some controlling and a lot of functions in the model, including a userinterface made in Java for a laptop. The crane is controlled by a (...) (20 years ago, 7-Jul-04, to lugnet.robotics.rcx.java, lugnet.lego.dacta, lugnet.robotics.edu, lugnet.robotics.rcx.legos, FTX)
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| | brickOS v1?
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Hi, I'd like to know if the v1 of brickOS with the support of the usb tower for linux (without patch) is going to come soon or not. Actually I have tried many things but without success. Thank's Nil (20 years ago, 7-Jul-04, to lugnet.robotics.rcx.legos)
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| | WinLNP has been found!
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(...) WinLNP among other tools can be found here: (URL) (20 years ago, 24-Jun-04, to lugnet.robotics.rcx.legos)
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| | pc to rcx communication
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Hi all, I am working on my graduation project and I am stuck at one problem. I want to send commands to my rcx from a win32 aplication(Visual C++ 6.0). Firmware is Brickos. The only way I colud find was lnp. But for the Pc side there is no solution (...) (20 years ago, 23-Jun-04, to lugnet.robotics.rcx.legos)
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| | Re: brickos with suse 9.1
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(...) download the packages from debian and use alien to convert thenm to rpm. That was the only way it worked on my fedora box. (20 years ago, 23-Jun-04, to lugnet.robotics.rcx.legos)
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| | Re: lego pneumatic
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(...) Good reasearch..... Using the mindstorm motors, who's torque is a good match for the small pump, the small pump gets to a static pressure faster than a large pump using hte same kind of motor. The small pump does not keep up with the total (...) (20 years ago, 9-Jun-04, to lugnet.robotics.rcx.legos, lugnet.technic)
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| | RE: lego pneumatic
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Hi , According to the (URL) a mini-compressor (using a single small pump) is actually more efficient than using double pump. It said more efficient, but not generate higher output though, correct??? (URL) produces a more persuasive test. However, (...) (20 years ago, 9-Jun-04, to lugnet.robotics.rcx.legos, lugnet.technic)
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| | Re: lego pneumatic
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(...) Interesting project. Will your car have a pneumatic engine? Pneumatic steering? The large pump can run the engine with no externally controlled switches. Steering on the other hand would require control of two switches. Both pistons expanded (...) (20 years ago, 8-Jun-04, to lugnet.robotics.rcx.legos, lugnet.technic)
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| | RE: lego pneumatic
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Hi Kevin, Thank you very much for the info. I'll purchase the book and visits those sites for info. I am trying to build a pnematic car capable of turning by reacting to light and touch. My current problem is to automate the valve switch by (...) (20 years ago, 6-Jun-04, to lugnet.robotics.rcx.legos, lugnet.technic)
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| | Re: lego pneumatic
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(...) Hi Liz, One of the books I co-authored in has a Mindstorms based adding machine that performs arithmetic using pneumatics. Since the printing of that book, pneumatics design has advanced quite a ways. I build a lot pneuatic things, and would (...) (20 years ago, 5-Jun-04, to lugnet.robotics.rcx.robolab, lugnet.robotics.rcx.legos, lugnet.technic)
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| | lego pneumatic
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Suggestion on a good book which focus on more penumatic construction with LEGO? -- thanks, Elizabeth Mabrey (20 years ago, 5-Jun-04, to lugnet.robotics.rcx.robolab, lugnet.robotics.rcx.legos)
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| | Re: brickos with suse 9.1
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Hi, I tried to install brickOS-0.2.6.10.6 in SuSE 9.0 machine and faced the same problem. You can install an older version of brickOS (like brickOS-0.2.6.10) and it works fine with SuSE 9.0. Mohammed (...) (20 years ago, 3-Jun-04, to lugnet.robotics.rcx.legos)
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| | Re: lego fiber optics light unit
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For the "Fiber Optics Element" only, try: (URL) fiber optic related items, try: (URL) are a lot of elements for sale, as well as cables, and even some sets with the FOS. (...) (20 years ago, 28-May-04, to lugnet.robotics.rcx.legos)
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| | lego fiber optics light unit
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Hi, By any chance that anyone knows where I may be able to find the fiber optics light units? -- thanks in advance E (20 years ago, 28-May-04, to lugnet.robotics.rcx.legos)
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| | brickos with suse 9.1
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I'm tying to get brickOS started on a Suse 9 System, Did anybody install brickOS and the gcc-hitachi on Suse 9 System? After I download the brick.srec to the RCX it crashes. thx KHL (20 years ago, 27-May-04, to lugnet.robotics.rcx.legos)
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| | Re: table brickos light to percent
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In my opinion, the best way to approach this is the following: When the program starts, begin a Calibration, by first activating the light sensor, then reading the value. You can either wait a specific amount of time or have the user press a button (...) (20 years ago, 27-May-04, to lugnet.robotics.rcx.legos)
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| | Re: table brickos light to percent
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(...) Hi Thomas, Here's the formula used in the dsensor.h include file: #define ds_scale(x) ((unsigned int)(x)>>6) //!< mask off bottom 6 bits #define LIGHT(a) (147 - ds_scale(a)/7) //!< map light sensor to 0..LIGHT_MAX This maps the raw sensor (...) (20 years ago, 27-May-04, to lugnet.robotics.rcx.legos)
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