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I'm still having problems with the Vector 2x compass. I tried resetting the compass as Tom Brusehaver instructed and I spent some time going over the schematic. It still doesn't work and I don't see any obvious problems. I will have access to an (...) (27 years ago, 14-May-97, to lugnet.robotics.handyboard)
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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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| | Polaroid software driver
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1) Doesn't using motor driver chip pins 1 and 9 disable correct operation of that motor chip. That is, when you poke to those outputs, doesn't that effect the motor outputs of that chip? 2) Aside from the difficulties involved in writing assembly (...) (27 years ago, 14-May-97, to lugnet.robotics.handyboard)
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| | zip archive of trincoll robot pix available
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good suggestion. i've put a link to a ZIP of all the pix at the pix page, (URL) 3.9 MB. kinda big, but oh well. this should also help re: the two messages i saw re: netscape not being able to load the pictures. i don't know what's wrong, the pix are (...) (27 years ago, 13-May-97, to lugnet.robotics.handyboard)
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| | Re: Photos: Is that you, Fred?
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Hi Fred, I have an idea! I was wondering if it would be too much trouble to zip all the pictures up into one file so some of us can ftp it. This way, all who want to see all of them at once instead of downloading each with slow modems can do it this (...) (27 years ago, 13-May-97, to lugnet.robotics.handyboard)
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| | RE: GPS Sample Code
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(...) I am using a Garmin GPS-35PC. This thing looks like a computer mouse without the buttons. It is a 12-channel parallel unit, but has no display or keyboard. The only connections are 12VDC from a cigarette lighter plug and a DE-9 connector for (...) (27 years ago, 13-May-97, to lugnet.robotics.handyboard)
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| | Re: Photos: Is that you, Fred?
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(...) Whoa, Fred! I pull up that picture, your face appears, and my machine immediately reboots. What power! I don't understand it, I didn't think you looked that bad. :-) * Michael L. Ross/C33 | Lockheed Martin Eng & Sci Svcs Co. **** * Robotics (...) (27 years ago, 13-May-97, to lugnet.robotics.handyboard)
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| | Re: my fire-fighting robot
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(...) they are stock lego parts. you snap them together to make any length. call 800 527 8339 and ask for the lego technic catalog. -fred (27 years ago, 13-May-97, to lugnet.robotics.handyboard)
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| | Re: my fire-fighting robot
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Hi Fred, I saw your LEGO robot picture that you put up. I am interrested on track threads on the robot. Could you tell how to get a hand on ones ? I do no think they are LEGO parts, are they ? They seem to be quite long as well. Thank you, -Pandit (...) (27 years ago, 13-May-97, to lugnet.robotics.handyboard)
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| | Re: Photos: Is that you, Fred?
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(...) OK, find me at (URL) (27 years ago, 13-May-97, to lugnet.robotics.handyboard)
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| | Photos: Is that you, Fred?
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Fred, Please could you tell me which one of the people in the photos is yourself? It's nice to have a face to think of when reading mails from people! Maybe some of you other "regular" supporters could tell us who you are? Richard (27 years ago, 13-May-97, to lugnet.robotics.handyboard)
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| | Re: Vector 2x Compass??
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Greetings, I recently acquired a Vector 2x Compass from Jameco, a mail-order electronics supplier, for US$ 49.9x ((URL) A.A. de Oliveira assfalk@eece.unm.edu ---...--- Research Asst. et PhD student UNM EECE ACE Center (...) (27 years ago, 13-May-97, to lugnet.robotics.handyboard)
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| | Re: Trinty Firefighting
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(...) I used IR phototransistors. I picked them up at a local electronics surplus. They may have been mediocre in sensitivity as they could only respond to flame a couple of feet away. Putting a magnifying lens in front made a drastic difference, (...) (27 years ago, 13-May-97, to lugnet.robotics.handyboard)
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| | my fire-fighting robot
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if anyone is interested, the robot entered by my team (steve ocko, brian silverman, and myself) is pictured at (URL) did the lego design, we all came up with the overall strategy, and i did the programming this year. it's really a two-year design; (...) (27 years ago, 13-May-97, to lugnet.robotics.handyboard)
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| | how to see the flame
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some people use fancy sensor devices, but i have found that a simple CdS photocell or a phototransistor, with some kind of shielding tube to block ambient light, works quite well for seeing the candle flame. check out the pix -- lots of robots have (...) (27 years ago, 13-May-97, to lugnet.robotics.handyboard)
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| | Re: PCB for Handy Board
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I think Douglas Electronics sells it. ---...--- ericson mar Master of Engineering Candidate Project: Mobile Robotics mar@cooper.edu (212)353-4356 Department of Mechanical Engineering The Cooper Union for the Advancement of Science and Art ---...--- (...) (27 years ago, 13-May-97, to lugnet.robotics.handyboard)
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| | Vector 2x Compass??
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Is this the product's name? I am looking for buying a compass to hook up to the HB and I have seen this name many times on the list, but I don't recall seeing where I can find them... THanks in advance for any help, Yoni Garbourg << To succeed, (...) (27 years ago, 13-May-97, to lugnet.robotics.handyboard)
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| | Re: PCB for Handy Board
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Hi Don, I believe I have seen a pointer to a vendor that sells PCB for HBs from handy board web page under getting a hand on a HB. -Pandit ---...--- (...) (27 years ago, 13-May-97, to lugnet.robotics.handyboard)
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| | Trinity Firefighting contest info needed...
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At the Trinity Firefighting contest, what seemed to be the best method for detecting the flame? I am planning on entering next year and I am starting to get my design together. was thinking of using a phototransistor with a filter over it so that it (...) (27 years ago, 12-May-97, to lugnet.robotics.handyboard)
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| | GPS Sample Code
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Here is code I have used to talk between a GPS and a HandyBoard. I clipped these routines out of an old version of the code I currently use, so I can't verify that there aren't any bugs in this stuff, but it is simple code. Several people on the (...) (27 years ago, 12-May-97, to lugnet.robotics.handyboard)
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