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 | | Re: speed of the board
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| the other issue that should be mentioned re: changing clock speed is that it messes up the baud rate of the serial communications. if you plan to use interactive C, would have re-assemble the pcode program with a different baud rate constant, to (...) (26 years ago, 4-Aug-98, to lugnet.robotics.handyboard)
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fred
(score: 0.113)
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fred
(score: 0.113)
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| | Re: power glitch
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| Please see the FAQ: (URL) is a known issue, with a simple fix: make sure to bootstrap with the board with pcode_hb.s19. Fred In your message you said: (...) (26 years ago, 31-Jul-98, to lugnet.robotics.handyboard)
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fred
(score: 0.113)
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| | Re: Update on the expansion board.
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| Hi. The beta testers are still discovering issues, so I'm not ready to release the design just yet. I'm particularly waiting for results of multi-servo testing. But, it appears that the basic design is sound, and only minor rework (if any) will be (...) (26 years ago, 31-Jul-98, to lugnet.robotics.handyboard)
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fred
(score: 0.113)
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fred
(score: 0.113)
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fred
(score: 0.113)
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| | Re: AC adaptor
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| Please see the FAQ for the answer to the adapter question: (URL) the L1, that substitution may or may not work. try it; if your motors don't work right, it could be that. Fred In your message you said: (...) (26 years ago, 28-Jul-98, to lugnet.robotics.handyboard)
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fred
(score: 0.113)
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| | Re: troubleshooting
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| In your message you said: (...) good.... (...) yes, this is normal -- before you load pcode_hb.s19, the LCD is just as you describe. (...) d (...) I'm not clear the problem. if you enable "ignore feedback", does it then download properly? if so, (...) (26 years ago, 27-Jul-98, to lugnet.robotics.handyboard)
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fred
(score: 0.112)
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| | Re: motor power problems
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| in short, the answer is: "you can't use 3 to 4v motors with the Handy Board." basically, these motors are cheap toy motors that are incredibly noisy from an electrical standpoint, plus they want to draw far more current than the Handy Board's motor (...) (26 years ago, 25-Jul-98, to lugnet.robotics.handyboard)
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fred
(score: 0.112)
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| | Re: Memory usage
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| This question how has an answer in the FAQ. Please see: (URL) is the answer now on the FAQ page. Fred How much of the Handy Board's 32K memory is available for user programs running under Interactive C? Here is an approximate breakdown of how (...) (26 years ago, 21-Jul-98, to lugnet.robotics.handyboard)
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fred
(score: 0.112)
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| | Re: Need Help to solve the algorithm.
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| The paper referred to is at ftp://cherupakha.med...Martin.pdf My personal advise is that you simply *get started*. hook up your motors and start driving your robot around. see what it can do, how it moves. then connect sensors and gain an intuition (...) (26 years ago, 21-Jul-98, to lugnet.robotics.handyboard)
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fred
(score: 0.112)
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| | Re: Sonar Help!
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| In your message you said: (...) what kind of ext batt are you using? are the diodes in series with that? what voltage do you have on the sonar when it's in operation? are the sonar's ground and the HB's ground connected? fred (...) (26 years ago, 21-Jul-98, to lugnet.robotics.handyboard)
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fred
(score: 0.112)
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| | beta testers wanted for LEGO MindStorms
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| Hi all, LEGO is officially looking for beta testers for their new MindStorms product scheduled to ship this fall. I'm not sure what their selection criteria are, other than that you must live in the States and have Pentium running Windows 95. It's a (...) (26 years ago, 18-Jul-98, to lugnet.robotics.handyboard)
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fred
(score: 0.112)
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fred
(score: 0.111)
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| | PLAIN TEXT ONLY
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| Dear all, I would like to remind everyone to please attempt to send PLAIN TEXT ONLY messages when you post to the Handy Board mailing list. This is to respect the many of us who have old fashioned text only mail readers, and to save bandwidth in the (...) (26 years ago, 12-Jul-98, to lugnet.robotics.handyboard)
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fred
(score: 0.111)
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| | Re: Inclinometer for Handyboard
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| greetings everyone, this is a reminder to please NOT send 1MB attachments to the list! In the guidelines I sent you when you were subscribed to the list, I stated a limit of 50 KB (that's kilobytes) for any message. Please remember that your message (...) (26 years ago, 9-Jul-98, to lugnet.robotics.handyboard)
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fred
(score: 0.111)
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| | Re: data acquisition
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| yes, you can write a program for IC to print the information to the serial line. see the FAQ for information about using the HB serial line from an IC program. Fred In your message you said: (...) (26 years ago, 5-Jul-98, to lugnet.robotics.handyboard)
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fred
(score: 0.110)
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| | HANDY BD EXPANSION
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| hi, I have gone thru the Handy board expansion schmetic circuit version 3.0 by Mr.Fred Martin whcih updated on the June 14,1998. I have some doubts : 1) What and where is the the Analog pass-through connector (J4) and Motor power pass-through (...) (26 years ago, 4-Aug-98, to lugnet.robotics.handyboard)
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fred
(score: 0.110)
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| | Handy board Expansion
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| hi, I have gone thru the Handy board expansion schmetic circuit version 3.0 by Mr.Fred Martin whcih updated on the June 14,1998. I have some doubts : 1) What and where is the the Analog pass-through connector (J4) and Motor power pass-through (...) (26 years ago, 4-Aug-98, to lugnet.robotics.handyboard)
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fred
(score: 0.110)
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| | Re: speed of the board
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| anton, You might want to think about getting rid of all those square roots. Take a look at what you are really trying to do and decide if you need the square root. For example, if you are just compairing two distances to see which is greater, you (...) (26 years ago, 4-Aug-98, to lugnet.robotics.handyboard)
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fred
(score: 0.110)
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