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| Some starting points: - Visit Fred Martin's site about Lego Mindstorm information at (URL) miss his Art of Lego paper, which gives you a solid knowledge about Lego Technic basic mechanics and gear arrangements. - Follow the Lego Mindstorm Webring. (...) (26 years ago, 18-Feb-99, to lugnet.robotics)
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fred
(score: 0.129)
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| | Space Shuttle Costs
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| (...) Well in excess of 5,000 Million US dollars (if you don't include the one that blew up). [The humour impaired may require a smiley but I don't do smileys...] (26 years ago, 15-Dec-98, to lugnet.robotics)
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fred
(score: 0.129)
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| | Re: CdS Light Sensor
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| Hmmm.... Now I'm gonna have to go thru the whole Mouser CD to find all the parts to import into Mindstorms. The CD is available from Mouser Electronics, e-mail them and ask for the latest catalog on CD. It's a great cross refferance tool for any (...) (26 years ago, 24-Dec-98, to lugnet.robotics)
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fred
(score: 0.129)
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| | Re: Expansion board & V2X & sonar
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| Hi Fred et al. I am doing a project with a six legged robot in which I would like to use the Polaroid 6500 sonar and the V2X compass AT THE SAME TIME. Since the SPI port D is tied up by the compass, I was wondering if directly connecting the digital (...) (26 years ago, 15-Feb-99, to lugnet.robotics.handyboard)
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fred
(score: 0.129)
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| | GREEN MASKING
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| Dear Mr Fred Martin, Green masking files are available in Gerber format (pardon me if the spelling is wrong). We do not know how to open these files. Can you send us detailed instructions on how to open these files. Yours sincerely, Nitin (26 years ago, 16-Feb-99, to lugnet.robotics.handyboard)
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fred
(score: 0.129)
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| | Easy communication between HBs
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| After struggling with it for many hours I found an alternative to Randy's serialio.c serial communication which I couldn't get working. So I used the Pa7_9600 Baud Serial output from unknown origin (Fred?) ((URL) ial.html). I cut a standard RJ11 (...) (26 years ago, 17-Feb-99, to lugnet.robotics.handyboard)
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fred
(score: 0.129)
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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: 0.129)
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| | Re: Expansion board questions
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| (...) Terry, I will send you the code. I sent it to Fred for the website but haven't heard back. I'm reluctant to post it to the list, but I will mail it to anyone who asks... Best, Duncan (26 years ago, 15-Feb-99, to lugnet.robotics.handyboard)
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fred
(score: 0.129)
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| | Expansion board test routine
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| Hello all, Well here it is, for what it's worth. The functions are pretty obvious, it works just like the original hbtest.c that Fred wrote. To try servos other than #5, you'll have to edit the line: servo5=(16*knob()); In the test_servo() routine. (...) (26 years ago, 15-Feb-99, to lugnet.robotics.handyboard)
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fred
(score: 0.128)
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| | Re: A newbie question
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| if your robot is not allowed to even partially cross the duct tape, you must have an additional inner marking that the robot can see so it knows it's near the "danger zone" and can change direction. f. (...) (26 years ago, 9-Jan-99, to lugnet.robotics.handyboard)
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fred
(score: 0.128)
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fred
(score: 0.128)
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| | Re: RTL and Outlook Express
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| Dang-fiddle-$#*@!!%&#!@!! I added the new account, news.virgin.net ... It did the download and there were NO newsgroups listed at all. I did it just like you said but nothing is there at all, nada, zip, caput. HELP!! ps... Thanks for replying. you (...) (26 years ago, 18-Dec-98, to lugnet.general)
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fred
(score: 0.128)
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| | RTL and Outlook Express
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| No matter what I've tried everytime I try to use RTL it defaults to the Lugnet section on my Outlook Express. Obviously it's NOT there. What am I doing wrong? Need help real bad here, please.... ;( (26 years ago, 18-Dec-98, to lugnet.general)
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fred
(score: 0.128)
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fred
(score: 0.128)
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| | Re: space shuttle technic set cost?
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| Good deal!!! I got the Giagantic Robot Set (8277) for 1/2 price ($19.99) at TRU last week. Was opened "w/a few missing parts". All that was missing were a few beams but the rest makes great parts. (26 years ago, 17-Dec-98, to lugnet.robotics)
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fred
(score: 0.128)
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| | Re: Interactive C Primitives
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| [Fred G. Martin] spake unto the ether: (...) Security through obscurity is always a bad idea :-) I can agree that software data structures are not public, but all the hardware stuff should be documented, since it's not likely to move around. *Rich* (26 years ago, 7-Feb-99, to lugnet.robotics.handyboard)
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fred
(score: 0.128)
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| | Re: using external batteries
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| the label on the diagram says "cut motor trace here" with an arrow that points to a dark band. if you look at your HB, it won't have a dark band. that's where you need to cut. slice through the green-coated trace where that dark band on the picture (...) (26 years ago, 6-Jan-99, to lugnet.robotics.handyboard)
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fred
(score: 0.128)
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fred
(score: 0.128)
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| | Re: servo help
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| try running the servo off of a separate power supply; e.g., 4 AA cells. you'd connect the servo red wire to the battery + lead, the servo black wire to the battery - lead, and also connect the battery - lead to the HB motor ground. in general it is (...) (26 years ago, 6-Jan-99, to lugnet.robotics.handyboard)
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fred
(score: 0.128)
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| | Re: Handyboard power supply
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| what is the amp-hour rating of each cell. standard AA rechargables are 500 to 800 mAh. if your cells are significantly different than this, the charging might not work properly. generally though i don't see too many probs with this. you might need (...) (26 years ago, 6-Jan-99, to lugnet.robotics.handyboard)
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fred
(score: 0.128)
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