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fred
(score: 0.877)
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 | | Re: Expansion Board Files
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| Fred; Here is the copy of expsens,c---...--- At the lines in the hb was having problems with there was a small square figure at the starting point outside the comment*\ and\* for some reason. Any one else having a problem????? Thanks Terry ---...--- (...) (26 years ago, 26-Jan-99, to lugnet.robotics.handyboard)
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fred
(score: 0.877)
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| | Re: RCX 2.0 -- ideas.
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| (...) Building solid structures out of LEGO is something of an art form. Fred Martin wrote an article called "The Art of LEGO Design" which is available as an Adobe PDF at ftp://cherupakha.med...flego.pdf. It's about a 2M download. You may want to (...) (26 years ago, 4-Jan-99, to lugnet.robotics)
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fred
(score: 0.876)
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| | Re: Gear Designs
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| Fred Martin's paper mentions the URL at the end: (URL) summarize it: basically this is still a work in progress and they hope to have a public version "sometime during 1999." Jonathan (...) -- Did you check the web site first?: (URL) (26 years ago, 1-Feb-99, to lugnet.robotics)
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fred
(score: 0.876)
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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: 0.876)
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| | resistor packs and expansion board.
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| Fred, I thought I found a minor mistake in the parts list for the expansion board. But I now believe I didn't. The artwork on the schematic sold by Douglas shows that RP1 is a 1Kx7 where as your schematic and parts list shows it to be a 1Kx4. Since (...) (26 years ago, 27-Jan-99, to lugnet.robotics.handyboard)
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fred
(score: 0.876)
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| | RE:stack pointer
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| hi fred and all, i am facing a problem with the handyboard about the stack pointer. every time i use a check on the digital and analog port on the console window, it will give me a result of stack pointer off by 65... bytes. i would like to know (...) (26 years ago, 4-Feb-99, to lugnet.robotics.handyboard)
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fred
(score: 0.876)
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| | Re: Expansion Board Files
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| Thanks Fred and you too Ranjit, I have just now got my board to accept the expansion board files. I reloaded the expansion board zip files,installed in ic but still would not load. It did not give a error message for the expsens.c file but did for (...) (26 years ago, 28-Jan-99, to lugnet.robotics.handyboard)
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fred
(score: 0.876)
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| | Re: Re: R4 Resistor
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| "Fred G. Martin" schrieb: (...) i have had the same problem, so i havent installed the ir-circuit yet. the mistake is in "The Handy Board Technical Reference" (July 12, 1998) PDF File ... On page 46 ( i am not sure) is a Part Listing: it says : .... (...) (26 years ago, 4-Feb-99, to lugnet.robotics.handyboard)
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fred
(score: 0.876)
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| | The Handyboard (was Re: RCX 2.0 -- ideas.)
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| (...) more than a little impressed by it. Why didn't LEGO base their RCX unit on it? Or why not the MIT Programmable Brick? (It at least had more I/O ports than the RCX does) The 6811 microcontroller is, from what I remember from electronics class, (...) (26 years ago, 4-Jan-99, to lugnet.robotics)
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fred
(score: 0.876)
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| | Re: The Handyboard (was Re: RCX 2.0 -- ideas.)
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| There are two very easy methods of making LEGO compatible 9V connectors. 1. Use Dacta #779897 9V Connecting Leads (3 pieces) @ $12.25. Cut the leads to the appropriate length for your use. Break a male 0.100" strip header (DigiKey #929834-01-36-ND) (...) (26 years ago, 4-Jan-99, to lugnet.robotics)
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fred
(score: 0.876)
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| | ROVER
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| Dear Mr Fred Martin, I hope you remember that we in India were making a rover ,which in the end ran into some problems.We had to present the inoperational rover only for the exhibition. Now,after the exhibition we are trying to make the rover work. (...) (26 years ago, 2-Feb-99, to lugnet.robotics.handyboard)
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fred
(score: 0.876)
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| | Re: Stores in Seattle Area
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| (...) Though I don't live in the Northwest any more, some of the store I check when in the area are: Fred Meyer Target WalMart Barry (26 years ago, 11-Jan-99, to lugnet.general)
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fred
(score: 0.876)
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| | Re: Stores in Seattle Area
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| (...) Though I don't live in the Northwest any more, some of the store I check when in the area are: Fred Meyer Target WalMart Barry (26 years ago, 11-Jan-99, to lugnet.general)
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fred
(score: 0.876)
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| | Re: ROVER
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| Dear Mr Fred Martin, Thank you for your reply. We have used all HC chips in the handyboard. Yours sincerely, Nitin (...) (26 years ago, 3-Feb-99, to lugnet.robotics.handyboard)
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fred
(score: 0.875)
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| | Decoding Infrared receiver
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| Dear Mr Fred Martin/Friends, I have been playing with the handyboard for a while now, currently I have four handyboards. I'm working on the communication module between the handyboards using the infrared emitter and the Sharp IS1U60 infrared (...) (26 years ago, 2-Feb-99, to lugnet.robotics.handyboard)
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fred
(score: 0.875)
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| | Re: BEN Erwin
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| (...) the amusement park kit (so far) and ROBOLAB. There isn't really a Mindstorms "curriculum" available that I am aware of. And yes, it is mainly K-8. If these are 12th graders, then some of the stuff we do at the college level with the RCX for (...) (26 years ago, 8-Jan-99, to lugnet.robotics)
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fred
(score: 0.875)
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| | Re: hexapod walker
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| I have been researching this exact topic for almost a year now. I started off looking at the Handyboard do to its popularity and strong robotic application design but ultimately I've decided to use one or more Atmel processors do to their speed and (...) (26 years ago, 8-Jan-99, to lugnet.robotics.handyboard)
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fred
(score: 0.875)
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| | Re: AC Adapter Specs?
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| I had posed this question to Fred Martin at MIT who was involved in the designing of the Programmable Brick/RCX and this was his response; (...) This is by no means an official response from The Lego Group. Pete (...) -- Did you check the web site (...) (26 years ago, 26-Jan-99, to lugnet.robotics)
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fred
(score: 0.875)
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| | Re: serial output
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| you're not going to be able to generate accurate bit times using Interactive C -- it'd have to be an assembly language driver. use the 9600 baud output driver located at (URL) your message you said: (...) (25 years ago, 16-Feb-00, to lugnet.robotics.handyboard)
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fred
(score: 0.875)
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