 | | Re: proximity sensors
|
|
for most of your handyboard micromouse needs go to (URL) (...) (25 years ago, 15-Sep-99, to lugnet.robotics.handyboard)
|
| |
| | Re: proximity sensors
|
|
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)
|
| |
| | Re: proximity sensors
|
|
(...) 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)
|
| |
| | proximity sensors
|
|
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)
|
| |
| | Re: Is there a device that...?
|
|
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)
|
| |
| | Re: Debugging the memory circuit
|
|
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)
|
| |
| | Re: Debugging the memory circuit
|
|
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)
|
| |
| | Re: Is there a device that...?
|
|
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)
|
| |
| | Re: Handy Board list now a LUGNET newsgroup
|
|
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)
|
| |
| | Handy Board list now a LUGNET newsgroup
|
|
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)
|
| |
| | Re: Debugging the memory circuit
|
|
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)
|
| |
| | Re: Is there a device that...? [DAT]
|
|
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)
|
| |
| | HandyBoard and Jini
|
|
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)
|
| |
| | Re: Java VM - Beta2
|
|
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)
|
| |
| | Java VM - Beta2
|
|
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)
|
| |
| | RE: Is there a device that...?
|
|
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)
|
| |
| | Re: Is there a device that...?
|
|
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)
|
| |
| | RE: Is there a device that...?
|
|
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)
|
| |
| | Re: Is there a device that...?
|
|
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)
|
| |
| | Re: Four Wheel Base
|
|
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)
|
