 | | RE: AI and even more exiciting stuff
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(...) OK, time to get out the soapbox. If you are trying to teach AI, and are using floating point math, then you probably have really fast computers with floating point processors that are sometimes quicker than equivalent fixed point calcs...... I (...) (26 years ago, 18-Oct-99, to lugnet.robotics, lugnet.robotics.rcx.pbforth)
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| | Re: Annoying Journalist's Request
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To the list: this morning is a break for me, so I'm going to use it to type this out. Hope no one minds that it gets sent to the "annoying journalist" as well. Here at Duke, we are teaching a class with the mindstorms. Recently, we completed a class (...) (26 years ago, 18-Oct-99, to lugnet.robotics, lugnet.robotics.rcx.legos)
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| | Re: Data acquisition through analog input
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Dear Mr. Kalyan, Maybe you can try those RF module from www.Glalab.com Look for their guide on connecting the holtek IC to their RF module. I believe that will help you a lot. Regards, William (26 years ago, 18-Oct-99, to lugnet.robotics.handyboard)
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| | RE: AI and even more exiciting stuff
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(...) Depends exactly what you're teaching in the class, and how much time you have. Spending a session teaching fixed point math may well mean that you have to miss out a useful AI tool. If the students already understand how to call, say (...) (26 years ago, 18-Oct-99, to lugnet.robotics)
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| | Re: Data acquisition through analog input
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(...) Do you mean < www.glolab.com >. Victor (26 years ago, 18-Oct-99, to lugnet.robotics.handyboard)
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| | RE: AI and even more exiciting stuff
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(...) Right you are. I guess I wasn't clear headed when I wrote my original response. I wanted to say that engineering (or CS) students shuold learn about fixed point methods at some point in their academic careers. The earlier the better. I was (...) (26 years ago, 18-Oct-99, to lugnet.robotics)
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| | Re: AI and even more exiciting stuff / off-topic
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(...) Ah, I almost forgot. I saw an applet somewhere on the University network that translates some higher language, possibly C or a subset of Java, into output suitable for universal turing machines. Not quite the performance king, but interesting. (...) (26 years ago, 18-Oct-99, to lugnet.robotics)
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| | Re: AI and even more exiciting stuff
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(...) Here in Karlsruhe, engineering education is 95% math in the first year, and at least 60% in the second. Never mind your major - you're doing maths. Linear algebra, real and complex analysis of multiple variables, numerics, stochastics, (...) (26 years ago, 18-Oct-99, to lugnet.robotics)
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| | communications
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Does anyone know where I could get some really good information concerning serial communication for the handyboard. I'm wondering if it's possible to have the handyboard communicate with a PC and vice versa. I'm looking for something wireless but (...) (26 years ago, 18-Oct-99, to lugnet.robotics.handyboard)
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| | Handyboard low voltage motor control
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Hi All, Most of you guys seem to want more power to control motors, well, I want to go the other way. I'm looking to drive 1.5v motors with the handyboard. The lowest voltage the L293 can take is 4.5v (Vmin of Vcc1), and that still has my motors (...) (26 years ago, 18-Oct-99, to lugnet.robotics.handyboard)
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| | Re: Sharp GP2D02 with out expansion board
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Yep, I did. See (URL) Livick (...) (26 years ago, 18-Oct-99, to lugnet.robotics.handyboard)
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| | Re: Handyboard low voltage motor control
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How about a resistor in series? Gary Livick (...) (26 years ago, 18-Oct-99, to lugnet.robotics.handyboard)
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| | RE: AI and even more exiciting stuff
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(...) Absolutely. Just not in our class, especially since it is an advanced (jr./sr. year) class which assumes a certain grounding before entry. -Luis ###...### Profanity is the one language that all programmers understand. -Anonymous ###...### (26 years ago, 18-Oct-99, to lugnet.robotics)
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| | Re: AI and even more exiciting stuff
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From: "Ralph Hempel" <rhempel@bmts.com> (...) Things are probably turning for the worse in this regard. When I started at my university (Carnegie Mellon) in 1991 in the CS dept you basically got a CS degree by also getting a math degree (and the (...) (26 years ago, 18-Oct-99, to lugnet.robotics)
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| | RE: AI and even more exiciting stuff
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Richard, I hope you don't mind me using your quote... <snipped discussion of junior programmer and temp sensor application) (...) Yesss! I am going to tie the moon mission into my panel presentation at Mindfest. Here's a source I used on the Apollo (...) (26 years ago, 18-Oct-99, to lugnet.robotics.rcx.pbforth, lugnet.robotics)
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| | Re: Handyboard low voltage motor control
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That'll work, of course, but that also means I'll be dissapating about 8 volts at .5A through the resistor... Gary Livick wrote in message <380B55B1.1C3703C4@p...ll.net>... (...) to (...) still (...) but (...) (26 years ago, 18-Oct-99, to lugnet.robotics.handyboard)
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| | Re: Handyboard low voltage motor control
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Good point... There is another way. You can build your own h-bridges using mechanical relays and maybe a few diodes. They drop zero volts, which is good. However, you obviously can't PWM the things. If you just want rudimentary speed control, you (...) (26 years ago, 18-Oct-99, to lugnet.robotics.handyboard)
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| | Lego Mindstorms Tower
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Anyone know where I can order a replacement IR tower for my Mindstorm? Thanks <G> (26 years ago, 18-Oct-99, to lugnet.robotics)
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| | RE: AI and even more exiciting stuff
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32K is a ton of memory for embedded 8 bit code... if you need data storage and processing then that's an entirely different thing -- it could easily make AI difficult. As far as fixed point vs. floating point, I once worked on a project where they (...) (26 years ago, 18-Oct-99, to lugnet.robotics)
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| | Re: AI
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Yes you can, just take a look at some of the projects on my website. CU Bert Lego robots and artificial intelligence (URL) Can we make these things learn? (...) program 1 write program 2, write to program 3 etc, and use a some kind of a genetic (...) (26 years ago, 18-Oct-99, to lugnet.robotics)
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