Results 801 – 820 of about 1900.
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 | | Re: HB pins ?
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| (...) Each sensor "connector" is a column of pins in the following format, where "X" denotes a pin position: X X X So, if you look at the lower edge of the HB, you have 16 positions in a bank of 9 and 7: XXX...XXX XXXXXXX XXX...XXX XXXXXXX XXX...XXX (...) (28 years ago, 22-Apr-96, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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| | 6500 Sonar and HandyBoard
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| Kent, I read your quick explaination of how to connect the Polaroid 6500 sonar board to the HandyBoard, and I have a couple of questions.... Mainly, you mention that the INIT signal plugs into pin 9 of the second motor driver chip socket, and that (...) (27 years ago, 20-May-97, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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| | Re: LCD & serial connection
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| It is possible you have a bum 6811. I have seen 6811's with bad output address lines. this causes mirroring in the RAM as what should be multiple locations get mapped to the same byte in memory. The downloader thinks things are working because each (...) (27 years ago, 24-Apr-97, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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| | Motors: Please help! Going out of my mind...
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| Please somebody help! Actually it's not quite that bad, but I've been searching and hunting trying to find some motors to use for a new robot base. Does anyone have any suggestions for where to find motors with gearboxes that can carry a few pounds (...) (27 years ago, 25-May-97, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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| | Re: Stack Overflow
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| IC is implemented using lex and yacc (tools originally on unix systems for building parsers and compilers, which generate C code that be compiled into apps on many platforms). as someone pointed out, if yacc barfs, it's because you've got an (...) (26 years ago, 24-Jan-99, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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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: 1.028)
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| | Technical support is up to all of us now
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| Dear Handy Board Users, I am starting to get hit with e-mail from individuals who are having trouble with their Handy Boards. I don't have the time to help people with assorted technical problems on this kind of basis. Therefore, I would urge all (...) (29 years ago, 28-Feb-96, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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| | hbdl users -- please check in
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| If you have tried hdml.exe for Windows 3.1/Windows 95, please send a status report indicating: * what CPU type/speed your PC is; * which OS you are running; * which type of 6811 you tried it on (A series or E series) * did it work for you. Vadim and (...) (29 years ago, 10-Mar-96, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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| | Re: Get Alias Info
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| In your message you said: (...) Arghh! The "get alias info" command is on the web pages, i.e., (URL) everyone, remember there is nothing automated about the handy board mailing list. to get on it, I must manually put you there. to get you off it, i (...) (29 years ago, 25-Mar-96, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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| | new stuff on HB web site
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| Greetings HB users, I thought people might want to know about new stuff on the HB web site -- * printed hardcopy docs of the HB assembly pages. much nicer than printing out the web pages. available as a PS file (level II only) or a PDF file. * web (...) (28 years ago, 17-Apr-96, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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| | Re: Can't initialize CONFIG register
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| In your message you said: (...) ok. the dlm *is* trying to write the one byte, because the config reg lives at 0x103f. and it's trying to write it as 0x0c, which is also correct. but apparently it is not working, b/c you say that when you run the (...) (29 years ago, 12-Feb-96, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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| | Re: MC34064
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| please don't send attachments to the mailing list. a 200 K message sent out to 500 people is 100 megs of data. also some people have small mailbox quotas that can be filled up by just one big attachment. i realize 200K isn't huge, but it's still a (...) (25 years ago, 12-May-99, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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| | Re: Newbie Questions (Sensors)
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| (...) using the LEGO light and angle sensor is non-trival; custom HW and SW drivers are required. See ftp://cher.media.mit...gosens.txt for details. (...) 0-12 inches is hard, but 0-1 or 2 inches can be done with a simple IR reflectance sensor. See (...) (28 years ago, 11-Jul-96, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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| | Re: Bootstrap Mode, Problem
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| In your message you said: (...) (1) I assume when you say "miniboard," you actually mean the Serial Interface/Charger board. please be careful with your language because the Mini Board is a different specific project that is not part of the Handy (...) (28 years ago, 24-Oct-96, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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| | Re: Reducing Battery Pack Voltage
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| as has been discussed on this list, the Handy Board wasn't really designed for three volt toy motors. Reducing the voltage and doubling the motor chips is a reasonable approach, however. The Handy Board requires 7.2 volts to operate, because of the (...) (28 years ago, 1-Mar-97, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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| | (no subject)
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| (...) This is normal, the transistors in the motor chips lose a couple of volts. (...) Probably you are driving too much current through the motor chips, they overheat, shut down, cool off, and recycle. Get a meter with a 2A scale and put it in (...) (27 years ago, 26-Apr-97, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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| | Re: Downloading
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| OK, attempting to answer this one now. it is sounding to me like you have a problem with the serial on your 6500, not a problem with the handy board. try this. download Zterm (a terminal emulator) from: (URL) to the printer port (get the option by (...) (26 years ago, 26-Jan-99, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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| | RE: More Power
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| Randy said, (...) This is actually something we plan on doing the second go round. I've had lots of experience with imaging in software (motion capture, finding edges, filtering, etc., etc.), and my 'bud' (as Chuck refers to him) has plenty of CCD (...) (27 years ago, 23-Apr-97, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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fred
(score: 1.028)
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| | Re: 9v lego motors
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| Everyone is complaining about the price of LEGO motors. There is a new product, a gear reduction motor, that is a great value. It is a super efficient DC motor with a built in gearbox that can be used for direct drive, or with one stage of gear (...) (27 years ago, 13-Feb-98, to lugnet.robotics.handyboard)
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fred
(score: 1.028)
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