 | | 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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| | HOW TO UNSUBSCRIBE
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Wowsa! It appears to be time for the periodic "how to unsubscribe" reminder. The *only* way to unsubscribe is to send mail to Fred Martin, fredm@media.mit.edu, asking to be removed. All other methods have proven in the past to be futile. Once again, (...) (26 years ago, 2-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Expansion Board Files
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OK, i've tried again, this time fixing lib_hb.c and hbsensor.c. if people continue to have problems, please let me know. thanks. fred In your message you said: (...) (26 years ago, 2-Feb-99, to lugnet.robotics.handyboard)
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| | Decoding Infrared receiver
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Dear Mr Fred Martin/Friends, I have been playing with the handyboard for a while now, currently I have four handyboards. I'm working on the communication module between the handyboards using the infrared emitter and the Sharp IS1U60 infrared (...) (26 years ago, 2-Feb-99, to lugnet.robotics.handyboard)
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| | Unsubscribe
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I would like to unsubcribe from the mailing list ===...=== Osaka Densi Block 1003 Toa Payoh Industrial Park #04-1521, Singapore 319075 Tel : (65) 356-2848 Fax : (65) 356-2945 Office-Email : chuacb@osaka-densi.com.sg Personnal-Email : (...) (26 years ago, 2-Feb-99, to lugnet.robotics.handyboard)
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| | unsubscribe
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I would like to unsubscribe the mailing list Thank you (26 years ago, 2-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Expansion Board Files
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I had similar problems with lib_hb.c. Downloaded it tonight (1800 local time in California, 1 Feb 99). After removing all the "little squares" there were still about 8 or 10 errors. At each error I deleted all white space in the error's location, (...) (26 years ago, 2-Feb-99, to lugnet.robotics.handyboard)
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| | Re: First steps ok
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Hi! Amazing when I listened MY HandyBoard playing the Pink Panther theme!!! Again thank you very much to Fred and everybody who helped him, you really did a very great job! I was waiting for this moment for about three months! (...) I'm very glad (...) (26 years ago, 2-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Will the SN754410 support...
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if the worst-case current is 1.5A, you're probably OK -- the SN754410's have thermal protection for over-current conditions. they're rated for an amp continuous, so you're not too far out of bounds. one cause for concern is if the 1.5A measure is (...) (26 years ago, 2-Feb-99, to lugnet.robotics.handyboard)
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| | Native 68HC11 C Compiler Followup
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For those who asked me for more information about the Introl Compiler and my code, I have created a web page which can be found at (URL) little background: I had originally planned to release this code back in August. However, at that time, Introl (...) (26 years ago, 1-Feb-99, to lugnet.robotics.handyboard)
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| | Will the SN754410 support...
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I am trying to determine whether the SN754410 motor drivers will support two small DC motors. (without killing the IC's or motor) Or will I need to add a power amplification circuit. The motors are rated @ 6v ?A. Test show that they pull 0.35A (...) (26 years ago, 1-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Handyboard and iMac
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way back randy did have it running on NeXT, before NeXTSTEP. the unix sources are pretty clean; probably the only tricky part would be the serial line access. fred In your message you said: (...) B/Serial adapter? (...) s, so I was unable to find or (...) (26 years ago, 1-Feb-99, to lugnet.robotics.handyboard)
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| | Handyboard and iMac
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Hi all, Do you remember me asking if the HandyBoard was working on an iMac with an USB/Serial adapter? Well, all the USB/Serial adapters have been back ordered for the last 4 months, so I was unable to find or try any of them ;^(. But I bought an (...) (26 years ago, 1-Feb-99, to lugnet.robotics.handyboard)
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| | Re: infrared transceivers
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Would anyone happen to know where I can order infrared transceivers, catalogues, or stores in nyc? (26 years ago, 1-Feb-99, to lugnet.robotics.handyboard)
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| | Re: HB failure
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the buzzing indicates that the LCD isn't connected right (or is dead, as you are guessing). first, please be sure that all 14 pins of the LCD are inserted properly into the LCD connector. then (if still probs), try downloading Kent Farnsworth's (...) (26 years ago, 1-Feb-99, to lugnet.robotics.handyboard)
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| | Re: First steps ok
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You are right, i was just thinking to do so. I didn't know there were so few resellers, and all so far. Thanks. Stefano. ---...--- (...) (26 years ago, 1-Feb-99, to lugnet.robotics.handyboard)
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| | Re: First steps ok
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Do anyone know who sells handyboards in Italy ? A lot of similar boards, but not the MIT's one. And these other boards are programmable directly with the code written for the handy board ? I think I 'll habve to make the porting. Lucky you who live (...) (26 years ago, 1-Feb-99, to lugnet.robotics.handyboard)
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| | First steps ok
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Hi! I'm extremely happy today, that I could start mounting my Hand Board. The reset chips arrived and now the only thing that's missing is the lcd, but it should arrive by next Monday. I've mounted the serial comm board and it worked ok, and I've (...) (26 years ago, 1-Feb-99, to lugnet.robotics.handyboard)
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| | unsubscribe
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<smaller><smaller>I would like to unsubscribe the mailing list Thank you <nofill> (26 years ago, 1-Feb-99, to lugnet.robotics.handyboard)
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| | hall effect sensor
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hello i use hall effect sensor to check velocity (wheel) of car test(toy) when the wheel stops,that velocity is 0 m/s,i use this value to back my car. using handy board to control it i don't know about connecting hall effect sensor on handyboard. (...) (26 years ago, 1-Feb-99, to lugnet.robotics.handyboard)
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| | Re: ** voltage dropping and current limitting**
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Dear Mike, I believe the 16 V is rms value. If you attach a capacitor across the bridge rectifier under no load condition(output terminals are open), the capacitor gets charged not to 16 V rms but to the maximum value ie Vm=16*2^0.5 which is about (...) (26 years ago, 30-Jan-99, to lugnet.robotics.handyboard)
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| | Re: HB failure
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(...) Thanks for your response. When we load the pcode_hb.s19file with the right CONFIG it seems to load properly. We then turn the HB off and back on and try to load the Interactive C. This does not work at the computer says "attempting to linkt to (...) (26 years ago, 30-Jan-99, to lugnet.robotics.handyboard)
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| | infrared distance sensor
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Hi, I've just received a Sharp Digital Infra-Red Ranging System (GP2D02) and I'd like to connect it to the handyboard. The device clocks the data in on a digitial input but requires the clocking pulses to be no longer than 200 microseconds. This (...) (26 years ago, 30-Jan-99, to lugnet.robotics.handyboard)
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| | Re: HB Expansion kit
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---...--- (...) Yes (...) ----6---J2-19 pin ,J19-two 4 pin,J6-4 pin,-one 14 pin for the LCD,-one 4 pin lower r.h. over digital 0,1,2,3. on the hb. All go on the outer edge of the board except J19. Hope this helps, I was also pleased with the kit (...) (26 years ago, 30-Jan-99, to lugnet.robotics.handyboard)
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| | Re: ** voltage dropping and current limitting**
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(...) Well, just off the top of my head, when you say "get 16 vac out" how are you determining this, a volt meter set for "Volts AC" or some such? Not, say, an oscilloscope? You will note that almost all meters render "AC Voltage" as the RMS (Root (...) (26 years ago, 30-Jan-99, to lugnet.robotics.handyboard)
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| | Earlier DL post
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Fred- Thank you-it helps when you put the libraries that won't load into the right folder. I shall take up with Newton Labs why the HB won't talk to the HB and says out of date 2.81 code is out of date. Thank you again for all your help. Cappy (...) (26 years ago, 30-Jan-99, to lugnet.robotics.handyboard)
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| | DL with a Mac
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Fred- Thank you for the new version DLoader MCL. I can now indeed load the P- code. Useing this Mac 6500 Apple talk off-printer port-I am still finding odd things-very odd things. A week back-I replaced the hex inverter, memory chip, & U6. Now-after (...) (26 years ago, 30-Jan-99, to lugnet.robotics.handyboard)
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| | More information for debugging my problem
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I'm the one with the dead HB. When I look at R14 (next to the SPI header) it is black and is very hot. Do I have a dead resistor? Thank You Peter Eacmen BLS petereacmen@usa.net (26 years ago, 30-Jan-99, to lugnet.robotics.handyboard)
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| | URGENT Please Help my HB is dead :=( !!
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I had my robot in a box for about two weeks when I went to turn it on the battery was dead. Now when I turn it on nothing happens the LEDs don't go on and nothing happens, except I can smell burning. When I touch the 6811 it is a bit warm but not (...) (26 years ago, 30-Jan-99, to lugnet.robotics.handyboard)
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| | sonar sensors
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Hello, I know that this is slightly off topic, but does anyone know of a company that sells a stand-alone sonar ranging unit that works from 0" to 20"? i know that poloroid makes the one made to be interfaced with a microcontroller, but do they make (...) (26 years ago, 29-Jan-99, to lugnet.robotics.handyboard)
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| | Re: ** voltage dropping and current limitting**
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I have a transformer, when powered by 110 vac I get 16 vac out. I put it through a bridge rectifier and the problem is when I put a cap say 20v 1000uf across the + - of the rectifier, the voltage jumps to about 20 vdc. If I omit the cap and attach (...) (26 years ago, 29-Jan-99, to lugnet.robotics.handyboard)
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| | Re: Green mask
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please see (URL) all there in the zip files, including the solder mask (green) layer. f. In your message you said: (...) (26 years ago, 29-Jan-99, to lugnet.robotics.handyboard)
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| | Green mask
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I would like to get a set of Handy board PCBs done. I have obtained the diagrams of the PCBs from the handy board site but I need to get Green masking done due to the intricate design but I haven't found the greenmask diagrams on the site. If (...) (26 years ago, 29-Jan-99, to lugnet.robotics.handyboard)
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| | 6811 Downloader MCL, version 1.1
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hi cappy & others (sorry non-mac people), i've put up a revision of the Mac 6811 Downloader MCL. this version checks that everything's copacetic before dumping the .s19 file into external RAM. in other words, it checks that the desktop is properly (...) (26 years ago, 29-Jan-99, to lugnet.robotics.handyboard)
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| | Re: Mac DL problems
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ok, i think you've established that the hardware is working properly. the fact that you can get IC to boot and talk to the board is strong proof of that. the zterm test demonstrates that the mac can send chars out; the IC example proves (...) (26 years ago, 28-Jan-99, to lugnet.robotics.handyboard)
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| | Mac DL problems
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Fred- Per your suggestion because I am having trouble DLing to the HB to my HB thru my printer port with Apple talk off-I DLed ZTERM, set the baud rate to 300 and watched the green light blink every time I hit a key on the Mac. A few oddities- The (...) (26 years ago, 28-Jan-99, to lugnet.robotics.handyboard)
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| | Re: navigation alorithm
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*Robot Science & Technology* is a fairly new magazine, and I give it my high recommendation. Issues 2, 3, and 4 contain a series, "Popular Micromouse Algorithms", by Tak Auyeng, PhD. Lots of good info for anyone interested in the IEEE Micromouse (...) (26 years ago, 28-Jan-99, to lugnet.robotics.handyboard)
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| | Polaroid 6500 - HB/ExpBrd problem
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I assembled the expansion board and tested all I/O ports. Everything checks out fine. I have the 6500 sonar module with the flex cable. After loading 'sonar.c', I tried the 'sonar_display()' function. The transducer came to life with its 'clicking', (...) (26 years ago, 28-Jan-99, to lugnet.robotics.handyboard)
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| | Re: Expansion Board Files
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Thanks Fred and you too Ranjit, I have just now got my board to accept the expansion board files. I reloaded the expansion board zip files,installed in ic but still would not load. It did not give a error message for the expsens.c file but did for (...) (26 years ago, 28-Jan-99, to lugnet.robotics.handyboard)
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| | Re: executing instructions quickly
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(...) If your macro just calls the "move" routine it will make absolutely no difference because your are in effect typing in the above anyway. If your macro inserts the code for "move" inline rather than calling it it will be only very slightly (...) (26 years ago, 27-Jan-99, to lugnet.robotics.handyboard)
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| | Re: navigation alorithm
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An article on the magazine, _Robot Science and Technology_ (relatively new publication), describes the micromouse competition and algorithms for maze solving. You can look up the HP somewhere and maybe get a back issue or something. I forgot which (...) (26 years ago, 27-Jan-99, to lugnet.robotics.handyboard)
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| | Re: resistor packs and expansion board.
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I just saw the following: The artwork on the schematic sold by Douglas shows that RP1 is a 1Kx7 where as your schematic and parts list shows it to be a 1Kx4. Response from Douglas: I do not know where that information came from. The list we (...) (26 years ago, 27-Jan-99, to lugnet.robotics.handyboard)
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| | Re: Native 68hc11 C compilers
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I definitely would be interested in hearing more... (...) I have had excellent results with the Introl C compiler demo. In fact, the demo has more than enough capability to do some very interesting things. Just for the fun of it, I wrote a (...) (26 years ago, 27-Jan-99, to lugnet.robotics.handyboard)
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| | Wireless communications
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Hi all, Lately, there have been a few questions on wireless communication between a handyboard and a PC. I knew Jan Sipke van der Veen had designed a something that would do just that, but I found his homepage was removed - he graduaded from (...) (26 years ago, 27-Jan-99, to lugnet.robotics.handyboard)
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| | resistor packs and expansion board.
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Fred, I thought I found a minor mistake in the parts list for the expansion board. But I now believe I didn't. The artwork on the schematic sold by Douglas shows that RP1 is a 1Kx7 where as your schematic and parts list shows it to be a 1Kx4. Since (...) (26 years ago, 27-Jan-99, to lugnet.robotics.handyboard)
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| | Re: Native 68hc11 C compilers
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(...) I have had excellent results with the Introl C compiler demo. In fact, the demo has more than enough capability to do some very interesting things. Just for the fun of it, I wrote a multitasking operating system and some basic libraries for (...) (26 years ago, 27-Jan-99, to lugnet.robotics.handyboard)
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| | sonar
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hello, I use program "sonar.c" and i have a problem. that is i run program (load sonar.c by ic.exe then type sonar_display(); ) to handy board,for measuring distance between 6" - 35" but the display (LCD )shows integer(number) between 0- 32767 ,that (...) (26 years ago, 27-Jan-99, to lugnet.robotics.handyboard)
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| | executing instructions quickly
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Just a quick question with regards to executing some instructions quickly. I'm using the pa7i9600.icb file to control a couple of mini SSCs, and I need to move 6 servos as close to simultaneously as I can. My question : is it faster to write a (...) (26 years ago, 27-Jan-99, to lugnet.robotics.handyboard)
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| | Re: HB Expansion kit
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(...) yes. this was omitted from the assem instrcts and i've added it now. (...) look at the parts list for things that are referred to as "xx-pin male header". these have a part number; e.g., J3, a 14-pin male header. look for J3 on the PCB (...) (26 years ago, 27-Jan-99, to lugnet.robotics.handyboard)
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| | Re: ** voltage dropping and current limitting**
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(...) Look in an older edition of The Art of Electronics by Horowitz and Hill. They use the LM317 as an example voltage regulator, explain the resistor values, and provide a data sheet in the appendix. This is a very useful reference book for all (...) (26 years ago, 27-Jan-99, to lugnet.robotics.handyboard)
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| | Re: Expansion Board Files
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Yes, I had a similar problem. I then downloaded the revised files and found "lib_hb.c" failing to load also. After opening it in a text editor, I found the same 'line feed' type of characters (square boxes). I deleted them and made sure that all the (...) (26 years ago, 27-Jan-99, to lugnet.robotics.handyboard)
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| | Re: Expansion Board Files
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I downloaded the revised files and found "lib_hb.c" failing to load. After opening it in a text editor, I found the same 'line feed' type of characters (square boxes). I deleted them and made sure that all the comment lines ( /*.........*/) were (...) (26 years ago, 27-Jan-99, to lugnet.robotics.handyboard)
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| | Re: a chip question
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(...) Try to get a hand on a nice little internet program named "PartMiner". very very very very useful :) .---...--- . . . | Remi Desrosiers | "My Youth in Arcadia" ICQ# 7228856 | harlock@videotron.ca . remi.desrosiers@polymtl.ca . . (26 years ago, 27-Jan-99, to lugnet.robotics.handyboard)
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| | HB Expansion kit
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I received my HB expansion kit from Douglas Inc. (under $30 and fast delivery!). I've tried to gather as much documentation on its assembly. However, I have two questions: 1) The DOT on the resister pak's: Is that the end which goes in the SQUARE (...) (26 years ago, 27-Jan-99, to lugnet.robotics.handyboard)
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| | Re: ** voltage dropping and current limitting**
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(...) Use an LM317T adjustable voltage regulator and 2 resistors. If you can't find a data sheet on it on the net somewhere, someone should be able to give you the formulas for figuring out the resistors. Find national semiconductor on the net and (...) (26 years ago, 26-Jan-99, to lugnet.robotics.handyboard)
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| | Serial Output Drivers for the Expansion Board
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Hi, Could *each* of the digital output pins on the Expansion Board be used as 9600 Baud Serial Output Drivers ? Could a higer baud rate be used with any of the digital output pins ? Could someone clever than me create the libraries and the (...) (26 years ago, 26-Jan-99, to lugnet.robotics.handyboard)
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| | Re: Speech Synthesis?
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Hi, I've been thinking to use a speech synthetizer for my robot as well, (mainly to warn humans to stay away from my toy), and a good solution that I found for the problem is: (URL) here is a decent eval of it: (URL) Philippi. Steve Wall wrote: (...) (26 years ago, 26-Jan-99, to lugnet.robotics.handyboard)
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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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| | Re: Expansion Board Files
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argh!@ my last email (which may arrive before this one) is in reply to this. repeating it in the proper context: yes, there was a linefeed bug in the expsens.c file in hbexplib.zip. it should be fixed now. please re-download from the expansion board (...) (26 years ago, 26-Jan-99, to lugnet.robotics.handyboard)
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| | Re: Native 68hc11 C compilers
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Dear Graeme, Visit imagecraft.com ,they have got a C crosscompiler for the 6811.I believe that library functions for the handyboard are also available there. Yours sincerely, Nitin (...) (26 years ago, 26-Jan-99, to lugnet.robotics.handyboard)
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| | Re: Downloading
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yes, there was a linefeed bug in the expsens.c file in hbexplib.zip. it should be fixed now. please re-download from the expansion board software page and try again. let us know if this fixes the problem. thanks a lot. fred In your message you said: (...) (26 years ago, 26-Jan-99, to lugnet.robotics.handyboard)
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| | Re: navigation alorithm
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Michael, A few sophomore engineering students here at Penn State Abington have built a micromouse from LEGO and a Handy Board. It has been entered into 2 micromouse contests sponsored by the Phila Chapter of the IEEE. It was quite challenging both (...) (26 years ago, 26-Jan-99, to lugnet.robotics.handyboard)
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| | ** voltage dropping and current limitting**
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Hello out there, I have a 24 vdc supply, how can I drop the voltage to about 13 or 14 volts? Would I use resistors across the supply? Or what??? Thanks in advance. -Michael (26 years ago, 26-Jan-99, to lugnet.robotics.handyboard)
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| | Re: Expansion Board Files
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Fred; Here is the copy of expsens,c---...--- At the lines in the hb was having problems with there was a small square figure at the starting point outside the comment*\ and\* for some reason. Any one else having a problem????? Thanks Terry ---...--- (...) (26 years ago, 26-Jan-99, to lugnet.robotics.handyboard)
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| | Re: Speech Synthesis?
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A few years ago, "back in the day..." (that is, high school), I did a project that involved creating various vowel sounds as output for some bumper sensors -- different resistances gave different vowels, that kind of thing. The parts came from a (...) (26 years ago, 26-Jan-99, to lugnet.robotics.handyboard)
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| | Re: Sharp GP2D05
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(...) Me too... I have just brought 4 of these, and I'm not sure how to connect them etc... there is an interface diagram in the little book I have... got it from www.acroname.com tone (26 years ago, 26-Jan-99, to lugnet.robotics.handyboard)
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| | Re: Speech Synthesis?
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I just finished an add on for my robot that involves just that. Radio shack used to sell the SPO256 speech syntetizer IC along with another companion chip called the text to speech processor CTS256-AL. To put it simply you send it a string of (...) (26 years ago, 26-Jan-99, to lugnet.robotics.handyboard)
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| | Re: Speech Synthesis?
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Yes, I hooked an SPO256 + CTS244 text to speech chip to a software UART. However, I don't reccomend this solution. If there are a small number of things you need the board to say, buy one of the ISD digital recorder chips (JameCo, JDR sell them as (...) (26 years ago, 26-Jan-99, to lugnet.robotics.handyboard)
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| | Speech Synthesis?
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Is there anyway to use the I/O of the handy board to control a speech sythesis chip. I want to build a speech add-on to give general feedback like "hello", "obstacle detected" and other such things has any body tried and succeded? ___...___ Steve (...) (26 years ago, 26-Jan-99, to lugnet.robotics.handyboard)
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| | navigation alorithm
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hi everyone, i just want to try my luck here. is there anyone out there has done a mircomouse navigation in a maze before? i would like to have some pointers on that. pls reply if there is a hope for me. thank u regards, michael (26 years ago, 26-Jan-99, to lugnet.robotics.handyboard)
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| | Downloading
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Fred- I'm the one with the HB that always worked with System 7 Mac 11si-now decommisioned. On my OS 8.1 Mac 6500 with Appletalk turned off, useing printer port-I used to be able to use IC253 cosole if the P-code was already Downloaded elsewhere. (...) (26 years ago, 26-Jan-99, to lugnet.robotics.handyboard)
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| | Re: Expansion Board Files
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terry -- please send an attached copy of expsens.c. there's got to be a bogus character in there. did anyone else have problems? fred In your message you said: (...) (26 years ago, 26-Jan-99, to lugnet.robotics.handyboard)
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| | Re: Expansion Board Files
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Still unable to load the expansion board files. lib_hb.lis is in the libs. How do I do ic _config in windows? do I need to? System will run fine until I try to load the expansion board files. I downloaded hbexplib.zip,unziped,put all expansion-libs (...) (26 years ago, 26-Jan-99, to lugnet.robotics.handyboard)
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| | Re: Serial LCD on PA4?
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I have modified the code to use the TOC3 output instead of the PA7. If interested I'll send you the code. (...) (26 years ago, 26-Jan-99, to lugnet.robotics.handyboard)
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| | a chip question
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in the business that im at (ok a tv station) sometimes we find chips (left in boxes and such) that we have absolutely no idea what they are for, recently i found a chip "N82S100N K84" I suspect its from Signetics which i am told has merged with (...) (26 years ago, 26-Jan-99, to lugnet.robotics.handyboard)
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| | Native 68hc11 C compilers
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Is anyone using a compiler other than Interactive C? I like IC but want to get a bit closer to the metal. Being able to use a source level debugger would also be good. I've tried the Introl C compiler demo, and the it looks really good, but it seems (...) (26 years ago, 25-Jan-99, to lugnet.robotics.handyboard)
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| | HB download
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Hi Everyone: My handy boards were working fine all this time but suddenly they seem to have developed a problem. The boards do not show the interactive C welcome message. I tried downloading the pcode file a number of times. That file downloads (...) (26 years ago, 25-Jan-99, to lugnet.robotics.handyboard)
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| | RE: mini HD
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Its a 50mm square HD about 20 grams. cap. 170 - 340 MB. Uses CompactFlash type II interface. Low power 3.3V. here a another link (URL) can get the spec's for CF @ (URL) not too adept of a programmer, but I bet the little HD can be converted to a (...) (26 years ago, 25-Jan-99, to lugnet.robotics.handyboard)
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| | Re: off topic but cool - ?????
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So what is it?? (other than a small hdisk, I gathered that much.. :) all I got was a 'page not found' error when I tried the link? John -----Original Message----- From: Olson, Shan (PBMS-SOlson) <solson@pacbell.mobile.com> To: (...) (26 years ago, 25-Jan-99, to lugnet.robotics.handyboard)
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| | RE: off topic but cool
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Hey, these are way cool. Excellent for a mobile application. -Shan O (...) (26 years ago, 25-Jan-99, to lugnet.robotics.handyboard)
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| | Re: Expansion Board Files
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take the files out of the expansion-libs directory, and put them in the libs directory. over-write any previous files by the same name. make sure IC is configured to load lib_hb.lis on boot. that should be it... not sure where you're getting hung (...) (26 years ago, 25-Jan-99, to lugnet.robotics.handyboard)
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