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----- Transcript of session follows ----- <<< HELO media.mit.edu <<< MAIL From:<brose@ipa.net> <<< RCPT To:<jwright@seattleu.edu> <<< DATA <<< QUIT mail: /var/spool/mail/jwright: cannot append mail: cannot open dead.letter 554 (...) (28 years ago, 4-Jan-97, to lugnet.robotics.handyboard)
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| | Handyboard Parts
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Well here I am again. I have gotten all my parts except the microprocessor (MC68HC11A1FN), the IR demodulator (IS1U60), and the 32K static CMOS RAM (62256-100LP). I have tried Jameco for the RAM but the Jameco part number 42833 doesn't seem to be (...) (28 years ago, 4-Jan-97, to lugnet.robotics.handyboard)
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| | Got V2X working...!
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Recently I posted a request for help in interfacing the 68HC11 to the Vector 2X, and through the help of readers of these groups, thank you very much, I was able to get it running. It was quite persnickety, with many possible modes of operation, so (...) (28 years ago, 4-Jan-97, to lugnet.robotics.handyboard)
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| | Re: pcode downloading
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(...) Yep, that checks out. (...) I get the correct voltages for the caps. And if the wrappers are on correctly they should all have the correct polarity. I ordered a replacement MAX232CPE (not the high speed "A" version). Hopefully this will either (...) (28 years ago, 3-Jan-97, to lugnet.robotics.handyboard)
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| | Re: Coparison of Sensors
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(...) I agree. You should only have a semi-colon after a while if you dont want that while to loop through any instructions. A semi-colon after a while tells the compiler that all you want to do is continuously test the while condition until it (...) (28 years ago, 3-Jan-97, to lugnet.robotics.handyboard)
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| | Re: Coparison of Sensors
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(...) Looks like you got too many semi-colons. Take out the semi-colons on all the while lines where you want the while to do the following thing. The process is getting to the "while(!start_button());" line and staying there. Also you have too many (...) (28 years ago, 3-Jan-97, to lugnet.robotics.handyboard)
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| | Config 0C / 0D
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Hi, I know this is an old chestnut but believe me I have searched the mail archive and nothing quite matches what I'm seeing. I have a handyboard which I made and which seems to work perfectly. However, I have to download (using hbdl) with the (...) (28 years ago, 3-Jan-97, to lugnet.robotics.handyboard)
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| | Re: pcode downloading
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(...) OK, well I think it is isolated at the pseudo-MAX232 chip. Did you get the +10 v power supply pin on the p-MAX ok? It's at pin 2. Measure it w/r/t ground and you should get +10v. Before you order a real Maxim, check the polarity of your (...) (28 years ago, 3-Jan-97, to lugnet.robotics.handyboard)
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| | Re: pcode downloading
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(...) : (...) I get -8.9v when its not jumped. When jumped I get some floating values in the mV range. I checked all of the solder joints. Changed power supplies. Removed and reseated the chip. Checked power and continuity at various points around (...) (28 years ago, 3-Jan-97, to lugnet.robotics.handyboard)
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| | Re: pcode downloading
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Here is the relevant part of the test instructions: Finally, the MAX232's ability to transmit data to the host computer is tested. Again using pin 7 of J9 as a ground reference, measure the voltage at pin 3 of J9. This is the MAX232's serial output. (...) (28 years ago, 3-Jan-97, to lugnet.robotics.handyboard)
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| | Coparison of Sensors
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Hi, I know this is probably a stupid question to you, but I wrote a program to compare sensors. But it doesn't seem to work. Can anyone help?? Here it is (28 years ago, 2-Jan-97, to lugnet.robotics.handyboard)
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| | Problem Downloading Pcode!!!!
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Hi, I'm really stuck. I got a facory fresh HB, instead of a Motorola it had a Toshiba C11W chip. When dowloading pcode_hb.s19 IC Win 95 says "CONFIG register required resetting. Please place in download mode again." Help, my scince project is due in (...) (28 years ago, 2-Jan-97, to lugnet.robotics.handyboard)
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| | pcode downloading
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Happy New Year! I'm putting together a HandyBoard and am stuck at the point where pcode_hd.s19 is downloaded. Some details: Have a chip labled SIPEX SP232ACP as a substitute(?) for MAX232. During downloading using DLM the board syncs OK but (...) (28 years ago, 2-Jan-97, to lugnet.robotics.handyboard)
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| | Re: Using RC cars for robot
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(...) We have successfully integrated a Traxxas RC car with the Handy Board. The vehicle uses a standard servo for steering and an electronic speed control (same behavior as a servo.) Since the HB can control 2 servos this works well. In this case (...) (28 years ago, 2-Jan-97, to lugnet.robotics.handyboard)
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| | interfacing to RC cars
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I haven't interfaced RC cars to a handyboard, but my experience might help anyway. (...) Tyco "Fast Traxx" and a look-alike made by Nikko. Both have dual treads (and therefore differential steering). Both are very fast. Unfortunately, both are (...) (28 years ago, 1-Jan-97, to lugnet.robotics.handyboard)
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| | Re: HELP! Handyboard ALMOST works.
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In your message you said: (...) Sorry, testbrd.c and diag.c have nothing to do with the Handy Board. They are part of the older 6.270 board distribution. Get the hbtest.c program from the Handy Board software pages. -Fred (28 years ago, 31-Dec-96, to lugnet.robotics.handyboard)
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| | RE: Using RC cars for robot
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(...) Chicago Models International "M1A1 Abrams" tank Radio Shack "Wild Cougar" (Nikko America 'Shredder") Radio Shack "Scorpion Tracks" (...) Conveniently :-) I pick only RC cars where I can drive them with differential steering. (...) I've built (...) (28 years ago, 31-Dec-96, to lugnet.robotics.handyboard)
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| | Using RC cars for robot
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Hi everyone, Beleated merry christmas and happy new year.... I would like to find out from those of you who have recently or are presently using RC cars with their handy boards for robots. 1. What type of vehicle did you use? 2. How did you handle (...) (28 years ago, 31-Dec-96, to lugnet.robotics.handyboard)
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| | HELP! Handyboard ALMOST works.
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Stuff that works: IC loads fine 1+2; returns 3 printf("Hello World!"); works LOAD MUSIC.C works {looney_tunes();} plays the tune but then.... LOAD TESTBRD.C Gives a page full of undefined functions. LOAD DIAG.C Gives several pages of undefined (...) (28 years ago, 31-Dec-96, to lugnet.robotics.handyboard)
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| | Assembling the handyboard - ic3b1
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We have completed building the board. As mentioned in an earlier note, we are using the beta version of Randy Sargent's IC. Here is some experiences: - extremely easy to use. Fun. - thanks for a great product. Some things are not that smooth - may (...) (28 years ago, 28-Dec-96, to lugnet.robotics.handyboard)
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