 | | Re: Help needed reviving my HB
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Hi Everybody, Ensio, I'm having a very similyar problem, but with an interesting twist! Check this out! I still don't have any idea what is going on here... None of these have expansion cards. I have 5 HB's from when this robotics class was taught 2 (...) (25 years ago, 2-Nov-99, to lugnet.robotics.handyboard)
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| | Re: Time available during 1 kHz system interrupt?
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Hi Greg, It all depends. Various features of the HB can be turned on and off to change the amount of work done in the main ISR. By default the code uses 300ms to execute. The file lib_hb.c provides the following: /***...***/ /*** System Interrupt (...) (25 years ago, 2-Nov-99, to lugnet.robotics.handyboard)
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| | Another Question About making .icb's
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Hey Group, I'm currently trying to get assembly files to work with my HB, i've discovered that the exe I need; as11_hb.exe only runs on UNIX, so you have to use (URL) to assemble the files, which I might say is a little inconvenient. So, where can I (...) (25 years ago, 1-Nov-99, to lugnet.robotics.handyboard)
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| | Re: Does ic 3.1 really works properly?
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(...) Looks like it's time for my advertisement: Download HC11 patches for the GCC-2.8.1 compiler from my web page: www.eskimo.com/~archer or from ftp.eskimo.com/u/a/archer. They're GPL'ed, so they're free. Also on my home page is a link to the (...) (25 years ago, 1-Nov-99, to lugnet.robotics.handyboard)
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| | Re: Time available during 1 kHz system interrupt?
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Greg, As much as you want. Your program is executed until it is finished, then the system interrupt routines follow, and run until they are finished. Good Luck, Gary Livick (...) (25 years ago, 1-Nov-99, to lugnet.robotics.handyboard)
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| | Time available during 1 kHz system interrupt?
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Does anyone know the approximate amount of time available for user assembler programs which "add on" to the existing 1 kHz HB interrupt? Another way of stating that is...how much time is used by the 1kHz HB ISR code? --greg ***...*** * Greg Starr, (...) (25 years ago, 1-Nov-99, to lugnet.robotics.handyboard)
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| | How can I connect 100 photocells to my handyboard?
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Hi, For a project I'm working on, I need to track the output of one hundred (100) photocells. I don't need great accuracy on any of them, but maybe a ten-step resolution at the most. Is there a relatively standard or well-known method to gather (...) (25 years ago, 1-Nov-99, to lugnet.robotics.handyboard)
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| | Three point targeting system
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I thought of an idea, Im sure has been used before. Where you have three sensors (ie light or ir) equidistant on an arc and they are all pointing towards the center of the arc. So that when they are all the same value the source is both right in (...) (25 years ago, 1-Nov-99, to lugnet.robotics.handyboard)
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| | Lost my IC3.2 Key
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Hi, My computer crashed three months ago and I lost my IC3.2 software. I have re- downloaded it from Newton Labs IC page, but I do not have a record of my key. I have written Newton Labs for my key, but they haven't responded yet (actually, I just (...) (25 years ago, 30-Oct-99, to lugnet.robotics.handyboard)
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| | Tx2 and Rx2
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Has anyone worked with radiometrix's Tx2 transmitter and Rx2 reciever???? We are wonder how difficult it will be to use with the HB???? Mike (25 years ago, 30-Oct-99, to lugnet.robotics.handyboard)
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| | Wheels
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Hey Gary, Thank you so much for the wheels. They are grade "A", better than I expected! They arrived yesterday and unfortunately I have to head for Puerto-Rico tomorrow for about a weeks worth of work. I am also posting this in the newsgroup for the (...) (25 years ago, 30-Oct-99, to lugnet.robotics.handyboard)
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| | Re: Help needed reviving my HB
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Hi! I just got my HB with the I/O-expansion card and the start-up was not as straightforward as I have thought. I don't know if this will help you but ... I'm using a Toshiba laptop with Win98 and found that in order to get the serial communication (...) (25 years ago, 30-Oct-99, to lugnet.robotics.handyboard)
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| | simoultaneosly driving stepper motors
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Hi, All My name is Pocorobba Tino.I'm 33 y old and I live in Sicily (Italy). I bought a copy of "Mobile Robots:inspiration to implementation" and I studied it deeply. I've now some problems and I hope that somebody will help me!!! I'd like to (...) (25 years ago, 30-Oct-99, to lugnet.robotics.handyboard)
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| | Re: Help needed reviving my HB
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(...) These are exactly the same settings that I have, so that is not the problem. Igor (25 years ago, 30-Oct-99, to lugnet.robotics.handyboard)
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| | Re: Starting IC with wizard
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I am not familiar with the "wizard" option. Please elaborate -p -- A healthy mind is an oxymoron! (...) (25 years ago, 30-Oct-99, to lugnet.robotics.handyboard)
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| | Re: Running stepper loop at specified (varying) frequency?
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Greg: You can run assembly from within Interactive C, so if IC isn't fast enough for you, you can build in something that is. However, IC will execute pretty quickly in terms of how fast steppers run, so it could be that IC will work for you as-is? (...) (25 years ago, 29-Oct-99, to lugnet.robotics.handyboard)
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| | Re: Help needed reviving my HB
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Igor: Sounds like you have two problems, with the LCD being a separate one from the sync errors. For communicating with the board via IC.exe, try changing your port settings to 9600/8 data/no parity/1 stop/Xon/Xoff/FIFO buffers enabled. I don't have (...) (25 years ago, 29-Oct-99, to lugnet.robotics.handyboard)
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| | Running stepper loop at specified (varying) frequency?
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I am hoping to control some stepper motors with the Handy Board; I will be wanting to control position vs time. Therefore I will be wanting to send out the step control waveforms at varying times (to modulate velocity). Can this be done from (...) (25 years ago, 29-Oct-99, to lugnet.robotics.handyboard)
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| | Help needed reviving my HB
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Hi HBoarders! Can anybody help me with making my HB run? Following the instructions from the assembly manual, there were no problems until installing the memory. Before it, the serial communication worked fine with hbdl downloading the pcode, (...) (25 years ago, 29-Oct-99, to lugnet.robotics.handyboard)
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| | robotics-for education of learning and injoyment-
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10-28-99 TO WHO IT MAY CONSERN:I AM PERMENTLY DISABLED.BUT I WOULD LIKE TO LEARN HOW TO BUILD A ROBOT.ALTHOUGH I AM WORKING ON JUST THE MEDAL FRAMS FOR 3 DIFFERENT ROBOTS SHAPS TO DEZINES.ALTHOUGH I DONT HAVE ANY BLUE PRINTS ON WHAT PARTS I NEED TO (...) (25 years ago, 30-Oct-99, to lugnet.robotics.handyboard)
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| | Re: stalled motor detection
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Thanks for pointing out the 'dead reckoning' thing. I meant 'object avoidance'! Heh, I think I'd better make another coffee run... Gary Livick wrote in message <381762F1.D9E4F391@p...ll.net>... (...) (25 years ago, 28-Oct-99, to lugnet.robotics.handyboard)
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| | speech recognition with hb
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We are attempting to incorperate a speech recognition board with the hb. We have the hb controlling an rc car. We also have the speech reconition board controlling the hb. Here is the problem, the microphone for the speech recognition kit is on the (...) (25 years ago, 28-Oct-99, to lugnet.robotics.handyboard)
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| | Re: Not necessarily the handyboard....
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(...) Of course, if you *really* felt that bad about "pimping," you could've sent that privately and not to the whole list...wink, wink :-) I saw the price of your boards. One word: HOBBIEST I say to heck with the expense of boards, nearly anything (...) (25 years ago, 28-Oct-99, to lugnet.robotics.handyboard)
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| | Re: 64K UPGRADE
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Yes, you can upgrade your HB to 64K and then use Interactive C on it. After the reset HB operates in a 32KB mode that is compatible with the original HB memory mapping. Your C code, however, shouldn't use the PD5/SS pin on the HC11 as it s used to (...) (25 years ago, 28-Oct-99, to lugnet.robotics.handyboard)
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| | Re: Not necessarily the handyboard....
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(...) <blatant self-promotion> I work for ComputerBoards, Inc., a company that makes high quality yet inexpensive expansion cards for Intel platforms. We have just about anything you could need for analog or digital I/O, serial communications, GPIB, (...) (25 years ago, 27-Oct-99, to lugnet.robotics.handyboard)
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| | Re: GP2D05 (correction)
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I apologize for the previous mail on the GP2D05 subject. The information I gave was base on my careless assumption (duhh) which was also wrong. Once again, I am sorry for any inconvenience. =o( Rob (25 years ago, 27-Oct-99, to lugnet.robotics.handyboard)
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| | Re: GP2D05
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I am using the GP2D02 which is also identical to the GP2D05 except that on the GP2D05 you can manually set the threshole using the built-in trimpot. I am using Barry Brouillet driver for interfacing to the Handyboard/w expansion board and it works (...) (25 years ago, 27-Oct-99, to lugnet.robotics.handyboard)
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| | Not necessarily the handyboard....
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I have an old 486 laptop and a few motors and sensors lying around...Does anyone know of a DSP board or some other device I could use to interface the motors and sensors to the laptop for real- time data aquistion? (I already have my handyboard (...) (25 years ago, 27-Oct-99, to lugnet.robotics.handyboard)
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| | Re: stalled motor detection
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If a motor stalls, it draws a lot of current (compared to normal operation). You can measure that quite easilyusing dedicated chip, or by measuring the voltage over a small resistor in series with the motor: if more current is draw, the voltage drop (...) (25 years ago, 27-Oct-99, to lugnet.robotics.handyboard)
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| | Re: stalled motor detection
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Shaft encoders are hard to beat. If the wheels are commanded to turn and aren't, that's a good indication that something is screwy. Plus, if you're doing dead reckoning, you need them anyway so they are already there! Gary Livick (...) (25 years ago, 27-Oct-99, to lugnet.robotics.handyboard)
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| | stalled motor detection
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Hi all, I'm working on a dead reckoning 'bot. I'm not really interested in what the wheels are doing unless they're stalled. Anyone know any good tricks for monitoring the motor current, or should I go with shaft encoders anyway? Thanks! Paul (25 years ago, 27-Oct-99, to lugnet.robotics.handyboard)
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| | Re: Sonar Sensor
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Danny, The Polaroid 6500 is very common, and if you have the expansion board on your HB you have a built in connection. There are drivers on the MIT HandyBoard site. The units are available from Acroname and they also have a good fact sheet. (2 (...) (25 years ago, 27-Oct-99, to lugnet.robotics.handyboard)
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| | Re: Sonar Sensor
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(...) Yep, I've checked out about every page I've seen on this. I just haven't had the time to do it yet. :| As soon as our competition is over and classes settle down (maybe in 3 years :()) I will get a chance to experiment with it. When will you (...) (25 years ago, 27-Oct-99, to lugnet.robotics.handyboard)
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| | Re: Sonar Sensor
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Try the Polaroid sonar sensors available from (URL) HB site has the info on how to hook it up to the Handy Board including the IC drivers. The Polaroid sonar works very well! Good luck, kam (...) ===...=== Kam Leang University of Utah Department of (...) (25 years ago, 27-Oct-99, to lugnet.robotics.handyboard)
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| | Sonar Sensor
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I'm designing a robot detection/obstacle avoidance system. And I want to install some Sonar sensor. I'm wondering if anyone would know of any good sonar sensor that can easily be used with the HB and that give good results? Any info on this would be (...) (25 years ago, 27-Oct-99, to lugnet.robotics.handyboard)
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| | GP2D05
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Hi Anybody got the GP2DO5 IR module working with the Handyboard (without expansion board) using IC ? I always seem to get a Logic "1" from the detector even if there are no obstacles in front of the detector. Any hints will be greatly appreciated. (...) (25 years ago, 27-Oct-99, to lugnet.robotics.handyboard)
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| | Re: Servo 16 pgm +SPI on HC11
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I have to admit that I have not actually finished the project, work commitments meant that it was shelved for a while. The easiest way to communicate to the HC11 is to use the software from the HB website that allows you to use one of the pins on (...) (25 years ago, 27-Oct-99, to lugnet.robotics.handyboard)
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| | Debugging
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I am developing a course at SJSU using the handyboard as the microcontroller for a competition being held at the end of the semester. This new course have us build the handyboard from scratch and go through the debugging process. I have help some (...) (25 years ago, 27-Oct-99, to lugnet.robotics.handyboard)
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| | Re: Expansion Board and Smooth PWM
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Bill, after unzipping the files, copy all the downloaded drivers into your interactive C Libs directory. These drivers must reside in this directory (drive:\IC\Libs) in order for IC to load them at startup. You will be asked if you want to replace (...) (25 years ago, 27-Oct-99, to lugnet.robotics.handyboard)
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| | Re: motor current trick
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A couple of easy things that you can do to increase the current capabilities of the motor drivers are: (1) replace the L293Ds with SN754410 chips (available from Acroname), and (2) piggyback one H-bridge chip on top of the other to handle almost (...) (25 years ago, 27-Oct-99, to lugnet.robotics.handyboard)
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