 | | 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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