 | | Vector 2x compass
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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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| | Trinity College and Peace Dale Robotic Park photo's on-line
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Greetings all, We took a bunch of photographs at the April 1997 Trinity College Fire-Fighting Robot Contest and Rhode Island School of the Future Robotics Park Exhibition (whew!). The pictures are now on-line at (URL) not organized yet, except into (...) (27 years ago, 12-May-97, to lugnet.robotics.handyboard)
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| | PCB for Handy Board
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Hi all. I'm interested in building a handy board but I haven't seen anything on how to get the PCB. Would it be easier to order a kit with all the parts or should I buy all the parts on the parts list and buy the PCB seperately? Any suggestions (...) (27 years ago, 12-May-97, to lugnet.robotics.handyboard)
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| | Re: problem in Program
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(...) Oops... Thank you Tom. Terry King. Terry.King@fmr.com (27 years ago, 12-May-97, to lugnet.robotics.handyboard)
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| | Re: Problem in program
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K> to running the printf right after "while (digital (15))". Try K> this: K> while (digital (15)) K> bk(2); K> printf ("Left object detected\n"); I think you want this to read: while (digital (15)) { bk(2); printf ("Left object detected\n"); } K> (...) (27 years ago, 12-May-97, to lugnet.robotics.handyboard)
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| | Re: Problem in program
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(...) Terry, Don't feel bad, I'm in the same boat on writing that code. But, thanks to everyone's help, I've been learning. Chris Hackett and Pandit Panburana had a good tip on fixing the problem with getting the printf message to LCD consistently. (...) (27 years ago, 12-May-97, to lugnet.robotics.handyboard)
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| | The HB is alive!
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Hooray, my HandyBoard works! My kit from DMSC came in on Friday, and I (a very non-hardware guy) managed to assemble it, thanks to Fred Martin's handy assembly guide. I did run into trouble during step 4.4.2 and 4.4.3 (testing/debugging 'serial line (...) (27 years ago, 12-May-97, to lugnet.robotics.handyboard)
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| | Re: Vector 2x almost working...
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(...) J> Heres the latest: I am having problems interfacing the Vector 2x J> electronic compass with the Handy Board. I have successfully J> loaded Tom Brusehaver's program and it does write to the HB LCD J> but the compass position always reads 0. (...) (27 years ago, 12-May-97, to lugnet.robotics.handyboard)
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| | Re: Accessing 2nd line of display
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(...) I think I read somewhere that the display is treated as one 32 character line instead of two 16 character lines. (27 years ago, 12-May-97, to lugnet.robotics.handyboard)
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| | Vector 2x almost working...
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Thanks to everyone's responses on the first question I posted last week. I almost have it working. :) Heres the latest: I am having problems interfacing the Vector 2x electronic compass with the Handy Board. I have successfully loaded Tom (...) (27 years ago, 12-May-97, to lugnet.robotics.handyboard)
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| | Board Synchronization Error
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Hello all, I am using Interactive C version 3.1 from Newton Research Labs running under Win95. When I try to download code to my HB I will often get the following error: C> load C:\HandyBoard\Intera...bs\hello.c Loading (...) (27 years ago, 11-May-97, to lugnet.robotics.handyboard)
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| | Re: Vector 2x Problems...
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(...) see the ICB linefeed caveat in the FAQ (URL) -fred (27 years ago, 9-May-97, to lugnet.robotics.handyboard)
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| | Looking to purchase Used Handy board
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Anybody have a working handy board for sale? I am interested in getting my kids involved and would to keep the costs down. If price is right, including manuals, etc I would mail a check to you. Larry Washburn (Live in Maryland) (27 years ago, 9-May-97, to lugnet.robotics.handyboard)
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| | Vector 2x Problems...
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I am having trouble using the Vector 2x Compass with my handyboard. I have the compass.asm file and the compass.icb file. I loaded the compass.icb file into the lib_hb.lis file so it would load automatically with IC. When I loaded IC, it said the (...) (27 years ago, 9-May-97, to lugnet.robotics.handyboard)
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| | Unsubscribe
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UNSUBSCRIBE Thank very much. Ben (27 years ago, 8-May-97, to lugnet.robotics.handyboard)
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| | Re: Accessing 2nd line of display
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I *think* rather than /n if you type /m it should be in the second line....I don't remember which letter it is, nor do I have the robotics books near me. Or you can have however many spaces as there are (10? 15?) cursor blanks and leave off the \n (...) (27 years ago, 8-May-97, to lugnet.robotics.handyboard)
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| | Re: RF transmitters
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(...) A simple way to get rid of the DC component is to run the data through a scrambler on the TX side, and descrambler on the RX side. This has been done successfully in 9600 baud amateur radio TNC's. 2 or 3 chips on each end of the link is all it (...) (27 years ago, 8-May-97, to lugnet.robotics.handyboard)
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| | RF transmitters
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(...) We did use 900 Mhz Radio Shack RF headphones (cat # 33-1145), which gave us a reasonable analog transmission (the transmitter took L+R RCA audio in, and the we connected in place of the speaker on the receiver). We could get 9600 baud through (...) (27 years ago, 8-May-97, to lugnet.robotics.handyboard)
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| | RE: (no subject)
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(...) If anyone can find Proxim RXA-1000 radios (900 Mhz, Direct Sequence Spread Spectrum), I wrote code for a Handyboard to program the synthesizer. You have to program two registers serially, and then must program one of those registers each time (...) (27 years ago, 8-May-97, to lugnet.robotics.handyboard)
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| | Spread Spectrum
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<bold>Fred Cass,FCass@nextwavet...m,Internet writes: </bold><x-quoted>I would also be interested in hearing if there are any inexpensive (<<$500), easy to implement wireless comm solutions. Perhaps spreadspectrum 900mhz, or RF...</x-quoted> By (...) (27 years ago, 8-May-97, to lugnet.robotics.handyboard)
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| | Re: Polaroid Ultrasound
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Polariod OEM Components Group (617) 386-3965 ---...--- 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, 8-May-97, to lugnet.robotics.handyboard)
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