 | | Re: Has anyone built this homebrew sonar ranging board?
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(...) I have :) (...) What would you like to know about it? (...) Here are the essential pros and cons (note that I have NOT ever actually had a Polaroid to mess with so my comments are based on what I've read about it and other people's comments): (...) (27 years ago, 1-Jun-97, to lugnet.robotics.handyboard)
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| | problem starting IC
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Hello, Sorry to bother you all. I 've build a small version of the Rug Warrior board. I use a 68hc11A1 with 32K RAM at $8000 to $FFFF accoording to the book of "Jones and Flynn, Mobile robots Inspiration to Implementation". I tried to use IC ver. (...) (27 years ago, 31-May-97, to lugnet.robotics.handyboard)
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| | Polaroid 6500
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Hi all, Did anybody see my previous questions about polaroid 6500 ? (except for Will, thanks): (...) Can I use the motor(3,75) statement to create enough voltage ? I think my polaroid board is damaged, how can I know for sure ? How can I repair it ? (...) (27 years ago, 31-May-97, to lugnet.robotics.handyboard)
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| | Vector 2X Compass
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Well, I finally got my Vector2X compass module running this evening. Looks great- thanks Tom Brusehaver for your nice code- it works well! Ok- call me simple, but I'm tickled pink :) Its cool to watch it spit out the headings. Anyway, on a related (...) (27 years ago, 30-May-97, to lugnet.robotics.handyboard)
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| | Re: A few questions
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DVM or Oscilloscope: Most DVM will indicate the RMS or True RMS value of a sinewave with in the frequency range of the meter. Some functions to consider: Function DVM Oscilloscope Frequency Some via time for a period (or half period) RMS Sinewave (...) (27 years ago, 30-May-97, to lugnet.robotics.handyboard)
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| | Re: A few questions
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(...) I'm not personally familiar with that particular model, but I use a FLUKE with similar features. The frequency measuring is a nice addition. The inclusion of a bar graph in the LCD can be handy in looking at fluctuations. If I could have only (...) (27 years ago, 29-May-97, to lugnet.robotics.handyboard)
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| | A few questions
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Hi all, I'm about to build a few handyboards, and I have a few questions. 1. I don't have convenient access to an o'scope so I'm hoping to get by without one. I am in the market for a new DMM (my birthday's coming up :->), and I've located one that (...) (27 years ago, 29-May-97, to lugnet.robotics.handyboard)
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| | Re: Vector 2x giving me lots of trouble...
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F> Hi all, I am having lots of trouble with the vector 2x F> compass. Sometimes it seems to work fine. Other times it just F> ouputs zeros (like someone else was saying...). I checked all F> the physical wiring, and that seems to be fine. The (...) (27 years ago, 29-May-97, to lugnet.robotics.handyboard)
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| | Re: Polaroid 6500 sonar and HB...
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(...) Here are some starting points: Handy Board Software: Sonar Routines by Kent Farnsworth (URL) URL was clipped on my printout) Polaroid Sonar Interfacing to HC11 (URL) and Robotics Great background info once you get your sonar working (URL) A. (...) (27 years ago, 29-May-97, to lugnet.robotics.handyboard)
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| | Minor Correction to 'Makefile'
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Minor change to Makefile just posted- Change the '$' signs to '\$$' signs to get around interpretation as shell variables: --- begin Makefile --- # # Generic Interactive-C *.ICB Assembly Makefile # Brat Wizard - 06/28/97 # # General CAT = /bin/cat # (...) (27 years ago, 29-May-97, to lugnet.robotics.handyboard)
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| | Some (hopefully) useful information-
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Hi there- As I recently posted, I was having trouble figuring out how to assemble both *.icb files and the pcode itself. Well, thanks to a nice respondant (Max Davies- Thanks Max :) I finally got it all figured out. I made up a Unix style Makefile (...) (27 years ago, 29-May-97, to lugnet.robotics.handyboard)
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| | Vision for Robots
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I am thinking about interfacing a color CCD camera to the handyboard. BGmicro has some for $59, so I was thinking about how to experiment in this area Does anyone have any experiance on this, or know of any good web pages I could look up? I realize (...) (27 years ago, 29-May-97, to lugnet.robotics.handyboard)
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| | remove
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please remove me from the mailing list - thanks for your help (27 years ago, 28-May-97, to lugnet.robotics.handyboard)
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| | Re: Richard Drushel's improved serial and math libraries
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Fred G Martin spake unto the ether: (...) out, please let me know any bug reports, especially in the serial console input routines in conio.c (which have been tested with a serial port emulator library, but not with a real serial input). *Rich* -- (...) (27 years ago, 28-May-97, to lugnet.robotics.handyboard)
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| | Shaft encoder software
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I have downloaded the shaft encoder software drivers that are on the web page and I would like to say they work great. I need help in writing software to monitor wheel speed and keep my robot running in a strait line. The program has to run in the (...) (27 years ago, 28-May-97, to lugnet.robotics.handyboard)
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| | Re: OOPS!
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(...) In the little Assembler system that I use (which can be found at (URL) MAIN_START is defined in the commands in the .BAT file that run the preprocessor: echo off REM Two different as11 runs... REM zero page increases by 3 REM main high byte (...) (27 years ago, 27-May-97, to lugnet.robotics.handyboard)
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| | IC
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(...) Hi Bastiaan, We're working on an integrated .icb file generator for IC. Look for this in the next rev (free upgrade to those who have bought IC 3.1). As for "interpreting" C code -- actually, we do in fact compile C, but we compile it to a (...) (27 years ago, 27-May-97, to lugnet.robotics.handyboard)
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| | servo motors
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I was wondering how many RC servos can be easily controlled with the handy board. I have seen that people have sucessully used 2 at once, but have not seen any more than that. Is it possible or has no one ever had a need for it? It seems that to (...) (27 years ago, 27-May-97, to lugnet.robotics.handyboard)
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| | OOPS!
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I probably oughta mention that that "analog.asm"(17): symbol Undefined on pass 2 Error points to the ORG MAIN_START line in the code. Sorry for the omission. John (27 years ago, 27-May-97, to lugnet.robotics.handyboard)
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| | AS11 Question-
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Howdy- I've been trying to assemble various bits of assembly code- the Vector 2X compass code and some of the stuff from the handyboard libs directory to be specific- I am using the as11 version that was hacked up by Randy Sargeant. It seems to go (...) (27 years ago, 27-May-97, to lugnet.robotics.handyboard)
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