 | | 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: RCX for Kids: RIS upgrade? Robolab? Other?
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Hi, That's odd. I upgraded mine from 1.0 straight to 2.0, and I only paid for the shipping. I did not order online, but on the phone. As far as choosing between Robolab and the RIS software, it depends upon the age and motivation of the child. (...) (20 years ago, 7-Jun-04, to lugnet.robotics.rcx)
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| | RCX for Kids: RIS upgrade? Robolab? Other?
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I have a Robotics Invention System 1.5 (circa 2000) that I haven't used for a couple of years now. My 12 year old daughter is interested in playing with it. Anyway, I'm trying to get newer software for her to use. I had thought there was a way to (...) (20 years ago, 6-Jun-04, to lugnet.robotics.rcx)
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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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| | First version of the IR-Wireless gateway available...
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June 1, 2004 As someone of you maybe knows, we are developing a IR-RF gateway for Lego Mindstorms... A first version of the wireless gateway source code for the PIC16F876 is available for download on the wireless page. The gateway is not yet working (...) (20 years ago, 1-Jun-04, to lugnet.robotics.rcx)
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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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| | table brickos light to percent
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i there a table or converter from brickos light readings to light percentage ( and vice versa ) Thomas (20 years ago, 27-May-04, to lugnet.robotics.rcx.legos)
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| | Re: issues with 6-legs bot
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(...) Your approach is pretty common. As it turns out, you can (should) remove the wait time, also. Many people think they need to tell the robot how long to turn, or how long to go forward. It's like driving down the road in a car. You don't look (...) (20 years ago, 20-May-04, to lugnet.robotics.rcx.legos, lugnet.robotics.rcx.robolab)
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| | RE: issues with 6-legs bot
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Hi Steve, Thank you very much for your put! (...) Can't take the credit. I got the idea from the Sato book, instead of 4 legs, I thought the 6 legs are much more stable. (...) That's pretty much what I did initially, except I used to put in "wait" (...) (20 years ago, 20-May-04, to lugnet.robotics.rcx.legos, lugnet.robotics.rcx.robolab)
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| | Re: issues with 6-legs bot
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What if you were to make a small platform for the light sensors in between the legs that rest on the ground and has a slide somewhere so when the robot moves up or down it stays touching the ground. ----- Original Message ----- From: "Elizabeth (...) (20 years ago, 20-May-04, to lugnet.robotics.rcx.legos, lugnet.robotics.rcx.robolab)
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| | How to increase address range in brickos ?
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Does anyone know a way to increase the address range in brickos beyond 0 through 15 ? When I cycle through the address range via View + Prgm it stops at 0xF0. The port is always set at zero. What if I modify the port value ? Or does that affect (...) (20 years ago, 19-May-04, to lugnet.robotics.rcx.legos)
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