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 | | Re: Robot intelligence
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| (...) It's all a matter of framing it in the correct reward/punishment context. E.g., if you want it to learn its environment, punish it for not running into things, reward it for actively avoiding obstacles (which opens the question: How're you (...) (26 years ago, 15-Mar-99, to lugnet.robotics)
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fred
(score: 1.000)
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| | Re: LED's
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| [Derek Healy] spake unto the ether: (...) This is just an idea skeleton, but not too hard to flesh out, if you've worked with TTL. The Handy Board memory map maps some upper 32K addresses to I/O "ports". Look at the schematic and you can see which (...) (25 years ago, 5-Apr-00, to lugnet.robotics.handyboard)
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fred
(score: 1.000)
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| | RE:Handyboard project
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| Hi James, I purchased an assembled and tested H Board from Patrick Hui for about $200, as well as the registered version of IC. Also got his sensor kit ($15). Expansion Board was purchased from Gleason for $59. Also bought the sensor/motor kit from (...) (26 years ago, 10-Feb-99, to lugnet.robotics.handyboard)
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fred
(score: 1.000)
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| | Brickfest 2K+2
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| Hi All, I also wanted to take a moment and join the shorus of people posting their reactions and thoughts on BF2K+2. I went down to Virginia fully expecting to have a wonderful time, and I was not in the least disappointed. From start to finish, (...) (22 years ago, 23-Jul-02, to lugnet.events.brickfest)
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fred
(score: 1.000)
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| | Public Thank You for our NMRA show supporters
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| I know I can't name everyone, but I'm going to shoot for 80%, and count on others to chip in with the rest of the names. Module Builders (OK, so we didn't get to use them this time, but a bunch of folks tried to help make it happen, and that's (...) (24 years ago, 8-Aug-00, to lugnet.loc.us.ca.sf)
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fred
(score: 1.000)
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| | Re: Motor control
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| I like 0 to 8 better. Also is there any way to control the frequency at which the PWM works? I find that some of my motors deliver too much at step 1. How about if there was something like: motor( motornum, cycles_on, total_cyles); if you feed (...) (29 years ago, 18-Mar-96, to lugnet.robotics.handyboard)
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fred
(score: 1.000)
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| | Hooray! Discussion!
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| I'm glad to see some active discussion from folks on the topic of a BA group. Please keep it up (and "Play nice. Don't fight! ;-). In the interest of keeping the discussion going, I'm not going to weigh in with any opinions for a week or so, but (...) (26 years ago, 17-Feb-99, to lugnet.loc.us.ca.sf)
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fred
(score: 1.000)
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| | 5mm range reflectance sensor
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| Hello, I've got a 5mm range reflectance sensor which I am trying to get to work with the handyboard, without much success. Here is what I have: DigiKey part #: OR506-ND Manufacturer #: EE-SB5V The labels on the leads are as follows: .--- (+) .--, / (...) (29 years ago, 8-Feb-96, to lugnet.robotics.handyboard)
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fred
(score: 1.000)
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| | A splendid time was had for all!
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| Hey everybody! I just wanted to say what a great time I had at the meet. Lots of new faces as well as many familiar ones. Quite a large amount of walk-ins, too! I think next time we may want to consider keeping a tighter lid on allowing the public (...) (24 years ago, 10-Dec-00, to lugnet.loc.us.ca.sf)
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fred
(score: 1.000)
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| | Polaroid Sonar Questions
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| I'm looking for help/advice with my sonar setup. At present I've got a single sonar connected to the new Expansion Board and have been doing a calibration. My goal is to use four transducers to cover a 45° arc. Here are my problems/questions: 1. How (...) (26 years ago, 9-Feb-99, to lugnet.robotics.handyboard)
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fred
(score: 1.000)
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| | Re: Top 10 posters in lugnet.cad.dev
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| (...) no page that I know of, but here's the current snapshot (as of last night, actually). Write to me if you want the full report, not just the top 10 :) (disclaimer - quick script, not really tested). in lugnet.cad, 6566 posts, 507 posters. Steve (...) (23 years ago, 29-Oct-01, to lugnet.cad.dev)
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fred
(score: 1.000)
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| | Penn State FF robots
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| Hi All, The Penn State Abington College (Abington, PA) entered 12 robots in the Trinity College Fire-fighting robot contest this April. The students were freshman and sophomore engineers involved in my mobile robotics course -- the contest was (...) (27 years ago, 14-May-97, to lugnet.robotics.handyboard)
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fred
(score: 1.000)
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fred
(score: 1.000)
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| | Vector2x SPI interrupt driven code
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| Well it works. A couple people have asked for it. Turns out the stupid V2X docs are wrong again! Like the product, but bad docs will kill it! Even if you don't have a V2X, I have seen enough traffic asking about using the SPI for things on the HB, (...) (28 years ago, 5-Mar-97, to lugnet.robotics.handyboard)
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fred
(score: 1.000)
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| | Homebrew rotation sensor idea
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| Hi All, New guy here (some background below, if you're interested), been lurking for a week or so, and I'm off to buy my 1st Mindstorms set as soon as Toys 'R Us opens this morning...they have both 1.0 and 1.5 on the shelf, I'll be getting 1.0 after (...) (25 years ago, 21-Nov-99, to lugnet.robotics)
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fred
(score: 1.000)
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| | Re: Relative height of cars and cabooses
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| (...) This answer is for american practice, rather than european (where cabooses per se were not at all common, although brakevans *were* used)... note that early canadian writings may refer to a caboose as a brakevan. The answer is, of course: "it (...) (24 years ago, 23-Aug-00, to lugnet.trains)
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fred
(score: 1.000)
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| | Re: download .s19 problem
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| (...) Heyho! Hmmm, are you sure? But why does it work then when i change S0 to S1? I don´t change the memory map with this. But can somebody tell me a site, where the different S Types are explained? I know S1 (a normal dataset) and S9 (the last (...) (23 years ago, 7-Jun-01, to lugnet.robotics.handyboard)
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fred
(score: 1.000)
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fred
(score: 1.000)
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| | Re: Why is AIDS such a big deal?
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| (...) countries. (...) Maybe I used the term special interest incorrectly. I think of a special interest as being any sub-group of the population who wants public monies distributed in a certain way such that it will specifically help their sub (...) (24 years ago, 8-May-00, to lugnet.off-topic.debate)
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fred
(score: 1.000)
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| | Re: Adding the SF Coaches...
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| (...) striping on any of the passenger cars. Also note one car is a bit darker in color. Given that it is early in the consist it probably is a baggage or RPO or dormitory car. If it's an RPO or dorm it may be an ATSF heavyweight that is painted (...) (23 years ago, 25-Feb-02, to lugnet.trains)
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fred
(score: 1.000)
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