 | | Memory erase or reset?
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Hello, I have been loading an alternative runtime environment (not IC) onto the handy board to test it out, and I want to ensure that all of the RAM is erased before doing so. I can use the unload command in IC to delete all of the .c files, but how (...) (26 years ago, 4-Feb-99, to lugnet.robotics.handyboard)
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| | Re: what variety of 6811 can be used?
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Nick, Sorry, I should have posted the link but I was out of the office yesterday and could not remember where it was. Motorola has an Engineering Bulletin call "Replacing 68HC11A Series MCUs with 68HC11E Series MCUs", it can be found at: (...) -- (...) (26 years ago, 4-Feb-99, to lugnet.robotics.handyboard)
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| | R4 Resistor
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I am almost complete with construction of my first handyboard. I used an in accurate list to order my components and have a 2.94K resistor instead of 3.83K as per the other list I have and the assembly manual. My question is; Is the resistor only (...) (26 years ago, 4-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Motor outputs
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I was wondering if anyone out there knew where to get parts for the sonar board. I have fried the two IC chips on the board, the SN28784 and TL851. Any help would be appreciated, thanks. oooo$$$...$$$oooo oo$$$...$$$o oo$$$...$$$o o$ $$ o$ o $ oo (...) (26 years ago, 4-Feb-99, to lugnet.robotics.handyboard)
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| | HB bootstrap problem when U6 installed
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i am guessing that some of the inputs to u6 are defective, causing it to assert its outputs when it shouldn't. this could turn on the '244 input latch, driving the bus when it should not. please check that pins 1 through 6 signals are oscillating (...) (26 years ago, 4-Feb-99, to lugnet.robotics.handyboard)
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| | sensors for tennis ball
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Hello everyone, I am wondering if anybody have done something like a sensor that can detect a tennis ball, probably 10 - 15 cm. away. If someone have done this one, kindly sent some information. I am trying to build a multi-robot, where one should (...) (26 years ago, 4-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Expansion Board Files
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Doug I am using Newton Labs IC 3.2. Thinking that the reason the expansion board files were not working was that they were not compatible with Newton Labs IC, I tried to get the freeware version to work. I changed my com port settings to try to get (...) (26 years ago, 4-Feb-99, to lugnet.robotics.handyboard)
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| | Expansion board of Rug Warrior Pro
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Hi All, I am using Rug Warrior pro for my thesis work. I want to add more IR emitter and detector on my robot. Can anybody advise me regarding the expansion board and from where I can get it. Thanks in advance javaid Iqbal (26 years ago, 4-Feb-99, to lugnet.robotics.handyboard)
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| | Re: what variety of 6811 can be used?
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Jeff - - I can't locate the App. Note. Will you please post the link. Thanks, - - - Nick - - - (...) <snip> There is an application note on moving between the (...) (26 years ago, 4-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Problems with servo function
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(...) If you're trying to use the servo.c and servo.icb that came with the Interactive C distribution, therein lies your problem. I think those routines are designed strictly for the MIT 6.270 controller board, not for the HB (if I'm wrong about (...) (26 years ago, 3-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Motor outputs
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(...) I'm not quite sure if this is what you are looking for, but if you need to run motors that are not compatible with the HB's built-in H-bridge, try one of the following: (1) If you need up to twice the current, try piggybacking more motor (...) (26 years ago, 3-Feb-99, to lugnet.robotics.handyboard)
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| | Re: HB bootstrap problem when U6 installed
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Originally I had problems putting my Handy Board into bootstrap mode. The problem seemed to be that we had the wrong power source, and had to keep it in zap mode for it to work properly. (...) (26 years ago, 3-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Decoding Infrared receiver
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Make sure that your modulating the transmision part with the correct frequency! When I built my handy board I tested the IR TX circuit and it gave me 57kHz instead of 40 kHz and I did use all the correct resistor capacitor values. I suggest that you (...) (26 years ago, 3-Feb-99, to lugnet.robotics.handyboard)
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| | Re: HB bootstrap problem when U6 installed
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I assume you've tried other HC138's, and that it's not a case of a faulty chip? fred In your message you said: (...) (26 years ago, 3-Feb-99, to lugnet.robotics.handyboard)
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| | HB bootstrap problem when U6 installed
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One of my students is having a problem in assembling their HB: Downloading and executing IC works fine _until_ U6 is installed. After installing U6 ('138) the GRN LED doesn't quite go off when putting the board in bootstrap mode, it glows faintly. (...) (26 years ago, 3-Feb-99, to lugnet.robotics.handyboard)
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| | Unsubscribe
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I would like to unsubscribe from the mailing list. Thank you ___...___ Carol G. Rosaire III Office 713.807.0804 Sr. Systems Eng. Fax 713.558.0597 Ascend Communications, Inc. (URL) Houston, TX "Good judgment is borne from experience, and experience (...) (26 years ago, 3-Feb-99, to lugnet.robotics.handyboard)
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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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| | Re: what variety of 6811 can be used?
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Everyone and Fred, Just to let everyone know, Motorola is currently doing an "End of Life" buy on the 68HC11A family. I think the plan is that we will stop making them by the end of the year. We are moving all customers over to the 68HC11E family. (...) (26 years ago, 3-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Problems with servo function
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Robert J. Kelly wrote: [servo discussion snipped] (...) Mine does the same thing, displaying version IC version 3.1 on the LCD display, even with the new pcode installed. I am supecting that Newton Labs forgot to change the text display routine in (...) (26 years ago, 3-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Expansion Board Files
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(...) I am using the Newton labs version 3.2. I just downloaded the newly updated files from (URL) everything loads properly now. It seems that some erroneous characters were in a few of the files, but that all are fixed now. (...) Try downloading (...) (26 years ago, 3-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Expansion Board Files
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(...) I finally got back to this ... had to go to the day job ... :) (...) ... and everything loads just fine now. Thanks Fred, for this and everything that you are doing. I'm just getting into this stuff but so far I am having a blast. -- Doug (26 years ago, 3-Feb-99, to lugnet.robotics.handyboard)
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| | Problems with servo function
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Hi all, I'm new to the list, handyboards, IC, and robotics, but I'm not totally clueless so bear with me... So I got an HB from Pat Hui, and it seems to work fine. I've been able to write a program that will vary a beep tone and print variable (...) (26 years ago, 3-Feb-99, to lugnet.robotics.handyboard)
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| | Re: LCD screen source
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A few years back I got an Optrex DMC16249 LCD from Digikey (URL) Look for Digikey part no.73-1037-ND . I just checked there web site and they still have the same part. The Optrex LCD is a perfect fit for the HB John (...) (26 years ago, 3-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Expansion Board Files
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Doug Are you using the freeware version of IC or the Newton labs version of IC. I just downloaded the latest expansion board library files and I get the following Synchronizing with board Pcode version 3.10 present on board Loading (...) (26 years ago, 3-Feb-99, to lugnet.robotics.handyboard)
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| | Motor outputs
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Dear all, I asked this question before but I might have used the wrong wordings. Here I try again. As you all know, the HB 's motor outputs give PVM, however, it gave me problems when I tried to amplify the power (both current and voltage.) Is there (...) (26 years ago, 2-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Navigation and PID ressources for Handy Board
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(...) Francois, That's right, I was trying to use the PID for a control system but I finally gave up due to the small power supply from its motor outputs. The last time I browsed the HB web I did found some articles in the mail list, maybe you can (...) (26 years ago, 2-Feb-99, to lugnet.robotics.handyboard)
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| | Re: 2 servos
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(...) Sure is! Check out this page on the HB web site: (URL) Will , , __@_/ \_@__ |/ | /__, o @_/ )\ ) ( \ (\/\\, ~~~...~~~ ' ` ~~~...~~~ ` ~~~...~~~ Wendy Parson, You can't say civilization isn't advancing; Will Bain, in every war they kill you in (...) (26 years ago, 2-Feb-99, to lugnet.robotics.handyboard)
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| | Re: what variety of 6811 can be used?
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(...) why does the 512 bytes matter? the HB has 32K of external ram. i guess if you're planning to do rom-able code development then i understand. there's very little difference between the e and a series. the port A counter/timer pins are slightly (...) (26 years ago, 2-Feb-99, to lugnet.robotics.handyboard)
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| | Re: what variety of 6811 can be used?
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Hi! (...) Hi Steve! I've put my hb to work yesterday, but I think I can help you a bit. The "FN" means the chip has "plcc" package, while the "P" would mean it's DIP package. The plcc is the one used in the Handy Board, as you can see the 52 pins (...) (26 years ago, 2-Feb-99, to lugnet.robotics.handyboard)
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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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| | Re: Expansion Board Files
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The 2/2/99 9:25 PST download worked fine for me. No extraneous characters in any of the files. - - - Nick - - - (...) (26 years ago, 2-Feb-99, to lugnet.robotics.handyboard)
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| | LCD screen source
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Where is the best place to order the LCD screen for building Handy Boards? I saw the part list said Hitachi, but I could not find any ordering info on their site. Does anyone have this contact info? thanks again, Michael (26 years ago, 2-Feb-99, to lugnet.robotics.handyboard)
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| | Re: what variety of 6811 can be used?
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Steve - - - As a HandyBoard *old timer* (I've had mine for almost two months) I've found that the best source of 68HC11 info is Motorola. Their documentation is *free*. Here are 3 manuals that are a must: M68HC11RM/AD Reference Manual MC68HC11A8/D (...) (26 years ago, 2-Feb-99, to lugnet.robotics.handyboard)
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| | 2 servos
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Hi. Is there any way to control two PWM servos (independently) from the handy board, without the expansion board? Michael (26 years ago, 2-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Expansion Board Files
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argh! i'm sorry for this being so painful. doug (and anyone else who downloaded before 11:27 am today), please redownload and let me know if it's finally fixed. thank you, fred In your message you said: (...) (26 years ago, 2-Feb-99, to lugnet.robotics.handyboard)
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| | motor connectors
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I am new at this but if there are four motor ports then why is there three connectors for each? Please help i.e the row of twelve female connetors behind the motor status LED'S please help ___...___ Steve Wall Sir Sandford Fleming college (...) (26 years ago, 2-Feb-99, to lugnet.robotics.handyboard)
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| | what variety of 6811 can be used?
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Dear Handy Board Enthusiasts: I'm new to the Handy Board (stumbled over it about two weeks ago). I understand that there are many types of 68HC11 chips--e.g., 68HC11A1FN, 68HC11A8, 68HC11 E series, and so on. I know that the 'A1FN is used in the (...) (26 years ago, 2-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Expansion Board Files
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Fred, I too am having trouble with parsing of the expansion libraries. I just downloaded your new versions: lib_hb.c 2/2/99 8:15 AM hbsensor.c 2/2/99 8:20 AM Error message as follows: Synchronizing with board Pcode version 3.10 present on board (...) (26 years ago, 2-Feb-99, to lugnet.robotics.handyboard)
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| | Could I set the RS-232 adlib?
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¥D¦®: Could I set the RS-232 adlib? Could I set the serial port (RS-232) adlib to 2400(or 4800) 8 bit, no parity,and 1 stop bit. If I can,where and how to set ? thanks! (26 years ago, 2-Feb-99, to lugnet.robotics.handyboard)
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| | Re: ROVER
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are you using 74HC04, and not plain 7404? you must use all HC type chips in the Handy Board. fred In your message you said: (...) (26 years ago, 2-Feb-99, to lugnet.robotics.handyboard)
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