 | | Re: Simulating pneumatic sequencers, was Re: Pneumatic Quadraped 242
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(...) Philo, Have you seen this? (URL) amazingly like your SR flop schematics. Kevin (...) (22 years ago, 26-Nov-03, to lugnet.technic, lugnet.robotics)
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| | Re: Simulating pneumatic sequencers, was Re: Pneumatic Quadraped 242
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(...) Philo, Hey! Great stuff! I've been aware of the electrical equivalence, but not mentioned it. Maybe if you put capacitors in series at the inputs of each flop, your test points might have less vertical slope. I'll probably use the simulator to (...) (22 years ago, 26-Nov-03, to lugnet.technic, lugnet.robotics)
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| | Re: multiple motors
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(...) (URL) such a mechanism I built in my latest sumobot... (sorry, bad photograph) Two gear shifts are activated at the same time, one for right wheels, the other for left wheels. The gearshift is activated by a motor controlled by RCX, gearing (...) (22 years ago, 26-Nov-03, to lugnet.robotics.rcx)
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| | Re: multiple motors
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(...) Yes, thank you - you explained it very well. The day after posting the question, I realized a differential would solve the problem... but you stated the solution far more clearly than I had thought of it. Now, of course, I'm trying to think (...) (22 years ago, 26-Nov-03, to lugnet.robotics.rcx)
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| | Re: External power supply ?
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(...) There was a rumour that 2.0 would have a power jack, which proved to be false when it came out. Personally I also sometimes use a stabilized 9V 1.5A supply, but as the others said, be careful with that. Jürgen (22 years ago, 26-Nov-03, to lugnet.robotics)
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| | Simulating pneumatic sequencers, was Re: Pneumatic Quadraped 242
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(...) Hi Kevin and all, I wanted to experiment with your sequencers without fussing too much with time consuming building, so I used simulation... I used a free electronics simulator, CircuitMaker Student ((URL) Piston + switch are equivalent to an (...) (22 years ago, 26-Nov-03, to lugnet.technic, lugnet.robotics)
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| | Re: failure in communicaton between RCX & IR Tower
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"Elizabeth Mabrey" <emabrey@storming-robots.com> wrote in message news:HoMq73.B9J@lugnet.com... (...) I (...) ceased (...) I (...) OK, I have the problem fixed. You may not like the remedy, but it worked lastnight flawlessly. Oh, and the PCMCIA USB (...) (22 years ago, 26-Nov-03, to lugnet.robotics.rcx.robolab)
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| | Re: External power supply ?
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(...) Agreed... but batteries end have the right geometry so RCX holder prevents backwards insertion. Philo (22 years ago, 26-Nov-03, to lugnet.robotics)
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| | Re: Read Receipt requested from "Chris" messages
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i'm Chris. i must apologize and yeah, i find it irritating to get back a bunch of acks or to get a 'send receipt' notice from a mailing list/newsgroup when reading. in defense, the yahoo groups(where i post alot) appear to strip out the requests so (...) (22 years ago, 25-Nov-98, to lugnet.robotics)
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| | Read Receipt requested from "Chris" messages
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Just about every time I read a message from "Chris" in this newsgroup, my browser asks if I want to send a reply indicating I received the message. I have some problems with this. First of all I don't like having e-mail trigger unexpected activity. (...) (22 years ago, 25-Nov-03, to lugnet.robotics)
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| | Re: External power supply ?
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I've done something similar but used wooden dowels cut to size. No harsh chemicals to mess with. :) Jim West www.jameswest.com The box said Windows 95 or better, so I installed Linux. ---...--- Original Message ---...--- From: "Philippe Hurbain" (...) (22 years ago, 25-Nov-03, to lugnet.robotics)
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| | RE: External power supply ?
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<SNIP> (...) Perhaps button snaps would be a much safer alternative to sawing on a battery... (22 years ago, 25-Nov-03, to lugnet.robotics)
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| | Re: HELP, please! USB tower problems
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(...) You're right, many sellers will not ship internationally. You can click the following link to search BrickLink for a serial tower (cable sold separately) although there is only one listed for sale right now, and the seller ships in the U.S. (...) (22 years ago, 25-Nov-03, to lugnet.robotics)
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| | Re: External power supply ?
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Hello Ilja, (...) Here is the method that I used in my motors tests ((URL) that require no modification to RCX: use two fake batteries assembled from the sawed ends of old alkaline batteries, maintained at the right spacing with rods of hot melting (...) (22 years ago, 25-Nov-03, to lugnet.robotics)
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| | Re: HELP, please! USB tower problems
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(...) 100% (...) i gotta learn more about bill gates. i know of no other guy who can consistantly 'break' things and standards, and force hardware ideas that have so many problems, and still become a bulti-billion-gazillionaire... (most original (...) (22 years ago, 25-Nov-98, to lugnet.robotics)
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| | Re: External power supply ?
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(...) (URL) in french but google can understand it ;-) nanobapt (22 years ago, 25-Nov-03, to lugnet.robotics)
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| | External power supply ?
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Hello, for work i've been building a lego crane, which is used to attract people to my company's stand at fairs/conferences. One of the problem is the batteries. It's annoying that every once in a while someone has to change them. I've heard that (...) (22 years ago, 25-Nov-03, to lugnet.robotics)
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| | Re: HELP, please! USB tower problems
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(...) Thanks for your advice, but I am in sweden. Here it is not so easy to find parts and not all the companies sell internationally. My other concern is that if it really is my computer that doesnt work, it might not work will the seril tower (...) (22 years ago, 25-Nov-03, to lugnet.robotics)
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| | Re: HELP, please! USB tower problems
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(...) I am at home now, tried my tower on my home pc and it works there (different computer), so I know now that the tower is ok. I have contacted the VIA support, to see what they think about the matter. I am going to install bricxCC to see if it (...) (22 years ago, 25-Nov-03, to lugnet.robotics)
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| | Re: HELP, please! USB tower problems
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(...) I've also heard that USB and Plug-and-Play support on Windows 2000 is not 100% reliable and probably never will be no matter how many service packs you install. (...) I would agree with this. Although the serial tower requires a 9V battery and (...) (22 years ago, 25-Nov-03, to lugnet.robotics)
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