 | | Re: BrickOS on Mac OS X
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(...) Dave, We look forward to hearing how these tools work out for you. You should try Michael Zapp, (URL) about the USB applications. Ed (22 years ago, 16-Aug-03, to lugnet.robotics.rcx.legos)
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| | light scout
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did anyone ever come up with a way to programs the following peice. (URL) remeber reading that there was going to be a way to put your own programs into. Did that ever happen? thanks -tk (22 years ago, 16-Aug-03, to lugnet.robotics)
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| | Re: Pneumatic Magic Presetnation Maertials
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In lugnet.technic, Ross Crawford wrote: <snip> (...) Rosco, The expanding and contracting behavior is described by Pascal's law that says that the force exerted by a piston is the pressure (pounds per square inch) times the surface area (square (...) (22 years ago, 16-Aug-03, to lugnet.technic, lugnet.robotics)
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| | Re: Pneumatic Magic Presetnation Maertials
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(...) That's why i have two... ;-) Kim Andersen (22 years ago, 16-Aug-03, to lugnet.technic, lugnet.robotics)
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| | Re: Pneumatic Magic Presetnation Maertials
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Ross Crawford's utterance expressed in news:HJovou.1wF6@lugnet.com: (...) Definately - with more presentations like this - a whole library of good knowledge can be made :) (...) you're right.. the volume to fill with air is smaller in the shaft-end (...) (22 years ago, 16-Aug-03, to lugnet.technic, lugnet.robotics)
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| | Re: Pneumatic Magic Presetnation Maertials
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(...) That'd be XOR ;) And thanks Kevin for the PPT file, it's great! Although I do have one little query - on page 4, you say the cylinders "Expand faster than they contract" - is this correct? I thought it would be the other way round - they (...) (22 years ago, 16-Aug-03, to lugnet.technic, lugnet.robotics)
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| | Re: Pneumatic Magic Presetnation Maertials
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(...) Well..... I didn't have the heart to cut up the hoses...... ;^) (...) Kevin (22 years ago, 15-Aug-03, to lugnet.technic, lugnet.robotics)
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| | Re: RIS 3.0
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<snip> (...) exist (...) a (...) develop (...) system (...) </snip> Well said!!! Amen. -Rob (22 years ago, 15-Aug-03, to lugnet.robotics)
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| | Re: Pneumatic Magic Presetnation Maertials
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(...) Well, can't you take your own pictures off the 8455... ;-) Kim Andersen (22 years ago, 15-Aug-03, to lugnet.technic, lugnet.robotics)
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| | Re: RCX convert from AA to Wall power.
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Here's another solution worth mentioning: (URL) uses the 3-12V regulated power supply available from Radio Shack (part no. 273-1667): (URL) adapter cable is part no. 273-1742. I think I got the clips at Radio Shack, too, but I can't find the part (...) (22 years ago, 15-Aug-03, to lugnet.robotics.rcx)
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| | Re: LEGWAY software questions
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(...) <snip> (...) Yes. Thanks. Your PWM wavelength is 8ms, MotorA or MotorC chooses the first of the 8 entries used for the ON part of the wave. The MotorRunningValue walks you through the other 7 entries (the remainder of the wavelength). (...) (...) (22 years ago, 15-Aug-03, to lugnet.robotics)
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| | Re: LEGWAY software questions
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(...) Let me try with a couple examples. Given the above code, if you set MotorA=0, the motor direction will be set to 1 for the first ms (MotorRunningValue==0; 0+0=element 0 in array) and 1 for the second ms (MotorRunningValue==1; 0+1) and 1 for (...) (22 years ago, 15-Aug-03, to lugnet.robotics)
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| | Lego Mindstorms Mars Rover Robotics Camp
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I just finished teaching a robotics course for elementary and middle school teachers on how to incorporate lego, robotics, and MLCAD into their classrooms. During one week of the course teachers were paired up with small groups of 4th-8th grade (...) (22 years ago, 15-Aug-03, to lugnet.robotics, lugnet.robotics.events, lugnet.robotics.edu)
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| | Re: LEGWAY software questions
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(...) It will process faster, and memory consumption is not a problem. But if you have the time..... (...) I understand the value of everything *except* MotorRunningValue which is a value in the range of 0 to 7, which increments every millisecond. (...) (22 years ago, 15-Aug-03, to lugnet.robotics)
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| | Re: RCX convert from AA to Wall power.
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I did more or less that, but I put in a 7809 voltage regulator to make sure that I did no damage to my RCX (wall warts sometimes output as much as 5 volts above the printed voltage). See (URL) post of mine with more details: (URL) another thread (...) (22 years ago, 15-Aug-03, to lugnet.robotics.rcx)
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| | Re: LEGWAY software questions
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(...) hmm. That's a good idea. I wish I'd have thought about it. That's going to make all my programs shorter, now. At least by 28 entries. :) Actually, one reason to have it that way is because it should process faster. I think. Is it faster to (...) (22 years ago, 15-Aug-03, to lugnet.robotics)
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| | RCX convert from AA to Wall power.
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all the Batterys are in RCX are like this. I think don't have mine around to look at right now + + + + + + _ _ _ _ _ _ So what if you moded the set up useing some wires and a fitting from radio shack to accept a 9.0vdc power jack? attach a wire to (...) (22 years ago, 15-Aug-03, to lugnet.robotics.rcx)
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| | Re: RIS 3.0
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(...) When the new RIS will arrive ? Hey LEGO we want "more professional"parts: - servo-motors... - solenoid-valve.. - gyroscopic-sensor.. - ultrasonic-sensor - sound-sensor - The RIS 1.0 contains a main adaptator pin, what a shame it does not exist (...) (22 years ago, 15-Aug-03, to lugnet.robotics)
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| | LEGWAY software questions
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Steve, I've got some questions about the LEGWAY software. I've read it many times, and spent many miles on the road to and from BrickFest reading the code. Why is the motor speed array 32 entries instead of four? Since the array has 4 groups of 8 (...) (22 years ago, 15-Aug-03, to lugnet.robotics)
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| | Re: Pneumatic Magic Presetnation Maertials
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(...) Yes it is. It is all those pictures. (...) In the presentation, I talked about pneumatic pistons as actuators for things like back hoes, simulating the hyraulics that are often used in heavy machinery. I didn't spend time there because I think (...) (22 years ago, 15-Aug-03, to lugnet.technic, lugnet.robotics)
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