 | | Re: Boolean operators in IC
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Booleans work the same as in most languages. If you want to test for a certain condition or set of conditions, then break it down into things that can be answered as true or false. You can use equalities, such as: if (sky == blue) printf ("you're on (...) (25 years ago, 16-Sep-99, to lugnet.robotics.handyboard)
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| | Re: proximity sensors
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(...) (URL) (25 years ago, 16-Sep-99, to lugnet.robotics.handyboard)
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| | Boolean operators in IC
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Hi all, Can any body please explain me how to use Boolean operators in IC with some simple example as I could not find any example. Thanks. Kind Regards, Javaid Iqbal (25 years ago, 16-Sep-99, to lugnet.robotics.handyboard)
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| | Wheelchair
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I just got my hands on an electric wheelchair for $20... any ideas? Has anyone interfaced a wheelchair to a handyboard before? I'm not sure if I want people riding on it, but I'm thinking I can mount a vacuum cleaner under it or something ;-) -phil (25 years ago, 16-Sep-99, to lugnet.robotics.handyboard)
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| | Educational industrial robot
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Dear Handy Board list member: I am looking for an industrial robot built for education purposes. I know that some place there is a company building them but I lost their address. Thanking you in advance, I remain Augusto Bahia E-mail (...) (25 years ago, 16-Sep-99, to lugnet.robotics.handyboard)
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| | Re: proximity sensors
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for most of your handyboard micromouse needs go to (URL) (...) (25 years ago, 15-Sep-99, to lugnet.robotics.handyboard)
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| | Re: proximity sensors
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Dennis I got this back from that URL: (URL) Terry King ...In The Woods In Vermont (25 years ago, 15-Sep-99, to lugnet.robotics.handyboard)
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| | Re: proximity sensors
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(...) Well, just on the subject of proximity detectors, I have a couple of projects on my web page that use IR LEDs to do proximity detection. I have the code for the PIC based solution posted and a couple of different circuits, including one for (...) (25 years ago, 15-Sep-99, to lugnet.robotics.handyboard)
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| | proximity sensors
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hello, I am a fourth year EE student at the University of British Columbia. For my team project, we have to construct a robot which is able to learn a maze and then find the quickest way to navigate through it. I was thinking of only use infrared (...) (25 years ago, 15-Sep-99, to lugnet.robotics.handyboard)
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| | Re: Is there a device that...?
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One manufacturer of such a device is Fascinating Electronics of Oregon. They make a device that hooks to your serial port, you send it "commands" and it answers. The board has a/d inputs digital inputs and outputs a relay output, etc. It works by (...) (25 years ago, 15-Sep-99, to lugnet.robotics.handyboard)
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| | Re: Debugging the memory circuit
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Ed -- there is an old utility, mon.exe, that might work. it's at ftp://cher.media.mit...os/mon.exe there's a cmd line flag to put it in extended memory mode. fred In your message you said: (...) (25 years ago, 15-Sep-99, to lugnet.robotics.handyboard)
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| | Re: Debugging the memory circuit
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Thanks Fred, Yes, we have several working ones that download and boot just fine. In fact we're going ahead with these, but it means we don't have 1 bot per student. Since the download appears to work, and just the boot does not, I'm stumped. It's (...) (25 years ago, 15-Sep-99, to lugnet.robotics.handyboard)
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| | Re: Is there a device that...?
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Re: Parallel Port... if you want to see how to get 8 input bits, all straightened out, see: (URL) is also a program called SEEBITS that allows you to easily see all the input bits and set the output bits on and off. I am working on a "Parallel Port (...) (25 years ago, 15-Sep-99, to lugnet.robotics.handyboard)
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| | Re: Handy Board list now a LUGNET newsgroup
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The tail end of my message got cut off. All I wanted to say was, "I think it'll be worth it. Yours, Fred" :-) BTW, one nice feature of LUGNET over handyboard@media is that messages get distributed a LOT faster when they come from LUGNET. Fred (...) (...) (25 years ago, 15-Sep-99, to lugnet.robotics.handyboard)
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| | Handy Board list now a LUGNET newsgroup
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Dear all, As announced, the Handy Board mailing list is now also a LUGNET (LEGO Users Group Network) newsgroup. What does this mean to you? It depends; if you are lazy, it can have no effect at all (maybe this is what you want :-). Or, if you are (...) (25 years ago, 15-Sep-99, to lugnet.robotics.handyboard)
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| | Re: Debugging the memory circuit
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Hi Ed -- it *could* be that the desktop you're using isn't set up right to download to the HB's. do you have a known good HB you can use to test the download? alternately, there are some serial line debug instructions at (...) does not boot (...) (...) (25 years ago, 15-Sep-99, to lugnet.robotics.handyboard)
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| | Re: Is there a device that...? [DAT]
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I am currently using my parallel port for the same application. I am not sure how specific your question was, but the output voltage is 5Vdc. However, remember that this is a logic level which means it will not give not give you more than ~20mA ( I (...) (25 years ago, 15-Sep-99, to lugnet.robotics.handyboard)
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| | HandyBoard and Jini
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Hi Has anyone tried Jini on HandyBoard? If so, Can anyone send the links for those websites ? Thanks Kalyan Mulampaka Software Engineer e Information Services ___...___ (25 years ago, 14-Sep-99, to lugnet.robotics.handyboard)
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| | Re: Java VM - Beta2
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wow,i've just had a look at the site and I have to say it sounds very good. When I get some holidays I'll have a look at porting some ic code across and see what I can make happen :-) Adam ----- Original Message ----- From: Peter Gasparik (...) (25 years ago, 14-Sep-99, to lugnet.robotics.handyboard)
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| | Java VM - Beta2
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For those who are interested, the Java VM Beta 2 has been released. Major improvements include: - garbage collection - floating point - demo applications for HB with and without expansion board (URL) (25 years ago, 14-Sep-99, to lugnet.robotics.handyboard)
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| | RE: Is there a device that...?
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In C you can use the functions outport and inport, and the paralell port has TTL levels (5 V.). Bye Jose Luis ----- Original Message ----- From: Mar, Ericson <ericson.mar@csfb.com> To: 'Jaron' <j.paludanus@cable.a2000.nl>; Peter <eacmen@att.net>; (...) (25 years ago, 13-Sep-99, to lugnet.robotics.handyboard)
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| | Re: Is there a device that...?
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Its Easy to do in pascal as well as C++ using the PORT[address] command. Ive used It before to control external devices. A normal parralell pot has 8 outputs D0 - 7 and a few lines that you can use as inputs (not sure which ones though?) The port (...) (25 years ago, 13-Sep-99, to lugnet.robotics.handyboard)
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| | RE: Is there a device that...?
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Yeah! You're right! I've seen it done in Basic so I would assume C++ has a function. But, I don't remeber wether they are at 12V or 5V. (?) (...) (25 years ago, 13-Sep-99, to lugnet.robotics.handyboard)
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| | Re: Is there a device that...?
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Isn't your parallel port itself what you want? I always understood that it could be reached (coded) quite easily? That should give you 7 channels! ----- Original Message ----- From: Peter <eacmen@att.net> To: Handy Board Mailing List (...) (25 years ago, 13-Sep-99, to lugnet.robotics.handyboard)
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| | Re: Four Wheel Base
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I disassembled quite some (lego) models, I also use differential steering. I position the wheels like most models on a square (so width and length of wheel base is equal). Funny thing about a square is that a circle can be drawn from the middle (...) (25 years ago, 13-Sep-99, to lugnet.robotics.handyboard)
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| | Re: ------( Terms of use for lugnet.com )------
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Sorry about this mess below -- this only applies to people reading the HB list via the LUGNET server. The message below was auto-posted by the server when the new newsgroup (which is being gatewayed with the mailing list) was created. I forgot to (...) (25 years ago, 13-Sep-99, to lugnet.robotics.handyboard)
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| | Re: ------( Welcome to lugnet.robotics.handyboard )------
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(This was a special message posted by the LUGNET server to the hb newsgroup, and subsequently echoed back out to the hb mailing list. The gateway preparations are about 98% complete. Still a few loose ends to nail down.) --Todd (...) (25 years ago, 13-Sep-99, to lugnet.robotics.handyboard)
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| | Four Wheel Base
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Hi, Has someone tried a four wheel robot base using diferential traction?, I'm making this question because I'm not sure of the tree wheel configuration, in the last base that I made, the caster wheel has ever maked some bad influence in the robot (...) (25 years ago, 12-Sep-99, to lugnet.robotics.handyboard)
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| | Re: Is there a device that...?
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Peter, There are quite a few different products such as that. The two I use are: PicoScope & PicoLogger - (URL) - By TiePie Engineering (URL) Is there a device that connects to a computers COM or Parallel port that (...) Charles Hacker Lecturer in (...) (25 years ago, 12-Sep-99, to lugnet.robotics.handyboard)
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| | Debugging the memory circuit
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We've assembled two handy boards up to the point where we are testing the downloader. In section 6.0.6 of the assembly guide, it says "If the download process appears to go correctly, but then the Handy Board does not boot with the Interactive C (...) (25 years ago, 12-Sep-99, to lugnet.robotics.handyboard)
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| | ------( Terms of use for lugnet.com )------
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TERMS OF USE FOR LUGNET.COM OVERVIEW AND DEFINITIONS lugnet.com ("LUGNET") is a privately owned Internet site designed and run primarily for the benefit of those who enjoy building with, discussing, collecting, buying & selling, trading, and (...) (25 years ago, 12-Sep-99, to lugnet.robotics.handyboard)
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| | ------( Welcome to lugnet.robotics.handyboard )------
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Welcome to lugnet.robotics.handyboard, a LUGNET discussion group. CHARTER/PURPOSE: lugnet.robotics.handyboard (group): Focused discussion group for the Handy Board device: distribution of information of any sort about obtaining, debugging, or using (...) (25 years ago, 12-Sep-99, to lugnet.robotics.handyboard)
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| | Re: Is there a device that...?
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You can try some IO cards. I don't know of any that connect to the ports but I know most can plug into ISA/PCI ports and have programmable I/O ports taht can be used by various differnt languages. I remeber somthing in the lines of "PC Systems (...) (25 years ago, 11-Sep-99, to lugnet.robotics.handyboard)
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| | Is there a device that...?
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Is there a device that connects to a computers COM or Parallel port that can measure voltage, on different channels. All I need is a digital input like the HB. So if there is a signal it would report true and if there is no signal then it would (...) (25 years ago, 11-Sep-99, to lugnet.robotics.handyboard)
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| | Re: RF Module
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Hi, Sorry I didn't get back to you yesterday. It sounds like you need to tune your radio modules. It could be your transmitter, receiver or both. If you don't have a function generator to create an input square wave for testing, you could try to get (...) (25 years ago, 10-Sep-99, to lugnet.robotics.handyboard)
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| | RE: Please help me unsubscribe!
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I just don't understand why anybody would *want* to get off the handyboard list... (...) (25 years ago, 9-Sep-99, to lugnet.robotics.handyboard)
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| | Conveting ASM files to ICB
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Hello, I have not been able to successfully convert ASM files to the ICB format to use with Interactive C. As a test I tried to convert servo_a5.icb to servo_a5.asm, this is what I got. The file cannot be loaded into IC. Any suggestions? script (...) (25 years ago, 9-Sep-99, to lugnet.robotics.handyboard)
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| | LMD18200
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is anyone familiar with this driver chip National Semi LMD18200 H BRIDGE up to 3A continuous 6A peak(200ns) supply voltage from 12-55V QUESTION does this mean i can't use a 9.6V battery pack for motors? is this a plug and play? (25 years ago, 9-Sep-99, to lugnet.robotics.handyboard)
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| | hb
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Hi all!! Have someone the eagle files *.sch and *.brd for the hb? Thanks markus (25 years ago, 9-Sep-99, to lugnet.robotics.handyboard)
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| | Re: LMD18200
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(...) Correct, it has a minimum voltage for correct operation. You can use a separate battery pack with a higher voltage and simply connect the grounds to your 9.6V battery. This chip is NOT a 293 replacement. You would have to build a small circuit (...) (25 years ago, 9-Sep-99, to lugnet.robotics.handyboard)
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