 | | 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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| | Re: RF Module
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Hi. Have you tried attaching the data out (middle pin on three pin header) from the encoder board to the data in (also middle pin on three pin header) on the decoder with a common ground to each? This will allow you to test the encoder/decoder (...) (25 years ago, 9-Sep-99, to lugnet.robotics.handyboard)
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| | Re: Please help me unsubscribe!
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Mark, I'm afraid that once you get on the Handy Board mailing list, the only way you can get off is to build a Handy Board, and then use a secret code to get disconnected. You can also sign up for the 6.270 class at MIT, get a grade of B or better, (...) (25 years ago, 9-Sep-99, to lugnet.robotics.handyboard)
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| | RF Module
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-- MIME ATTACHMENTS DISCARDED: 1. Content-Type: text/plain; charset="ks_c_5601-1987" Content-Transfer-Encoding: base64 Content-Length: 1007 2. Content-Type: text/html; charset="ks_c_5601-1987" Content-Transfer-Encoding: base64 Content-Length: 1922 (25 years ago, 9-Sep-99, to lugnet.robotics.handyboard)
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| | Please help me unsubscribe!
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Hello everybody, When I lent my email account to a friend a few months back he subscribed me to the handy board mailing list. Could somebody please help me to remove my email address from this mailing list as I have no idea how to. Regards, Mark (25 years ago, 9-Sep-99, to lugnet.robotics.handyboard)
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| | Re: Please help me unsubscribe!
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(...) Gary, you must have had a GOOD day. Enjoyed the humour. Mike (25 years ago, 9-Sep-99, to lugnet.robotics.handyboard)
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| | RE: VOLTAGE AND CURRENT
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Greetings, My buddies and I encountered a similar problem with the motor drivers. The actual specs on a single "Stock" motor driver is .5A . We needed a a driver to handle at least 1A, so we got the TI motor drivers. We found that stacking 2 TI (...) (25 years ago, 9-Sep-99, to lugnet.robotics.handyboard)
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| | Re: VOLTAGE AND CURRENT
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the car will almost undoubtedly fry the motor driver on the HB, and having it on the same power will probably generate enough noise to occasionally reset the HB. best bet would be to have the car use its own power and h-bridges, with the control (...) (25 years ago, 8-Sep-99, to lugnet.robotics.handyboard)
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| | Re: VOLTAGE AND CURRENT
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First of all - get rid of the CAPS LOCK!!! Second of all, if your RC Car draws a Max Current of 3.5 Amps then you'll blow the motor drivers on the handyboard since they're only spec'd to provide 1 A. If the RC car starts asking for more current then (...) (25 years ago, 8-Sep-99, to lugnet.robotics.handyboard)
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| | Re: Error at address 0x0000
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This was the case for the error that I was getting. I switched to a slower machine and things worked after that. -Jake ---...--- Forwarded by Jacob Levirne/Trilogy on 09/08/1999 03:57 PM ---...--- "Dvorak Viktor" <dvorakv@cesnet.cz> on 08/28/1999 (...) (25 years ago, 8-Sep-99, to lugnet.robotics.handyboard)
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| | Error at address 0x0000
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Hi, I saw that some else also had this error when trying to download to the board in section 6 of the manual. I am also getting this error. I have tried replacing the memory chip, the address hold chip, and the NAND gates. None of this has helped. I (...) (25 years ago, 8-Sep-99, to lugnet.robotics.handyboard)
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| | VOLTAGE AND CURRENT
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SIMPLE QUESTION TO ANYBODY: I'M PLANNING ON INTERFACING THE HANDY BOARD WITH AN R/C CAR. NOW THE MOTORS OF THE R/C CAR DRAW 1 AMP CONTINUOUSLY, AND A PEAK CURRENT OF 3.5 AMPS. THE R/C CAR USES A 9.6 VOLT BATTERY. NOW , ACCORDING TO HANDYBOARD (...) (25 years ago, 8-Sep-99, to lugnet.robotics.handyboard)
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| | Robot sold
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Hello, The completed and running robot that I had listed here previously has been sold. Thank you all for your interest! Bob Kelly (25 years ago, 8-Sep-99, to lugnet.robotics.handyboard)
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| | DIY expansion board
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Hi all, I want to add some extra analogue ports and some digital ports to my handy board. I have looked at the circuit schematics for the expansion board and worked out what I need to do. I don't want to buy an expansion board as I don't need the (...) (25 years ago, 8-Sep-99, to lugnet.robotics.handyboard)
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| | Re: bad GP2D02 link
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(URL) Message----- From: Stephan Adelsberger <astephan@dec1.wi-in...-essen.de> To: Handyboard list <handyboard@media.mit.edu> Date: Tuesday, September 07, 1999 4:06 PM Subject: bad GP2D02 link (...) (25 years ago, 8-Sep-99, to lugnet.robotics.handyboard)
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| | RE: A good toy to hack for the HB?--TIA
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(URL) is from Damark, $60 for the same tank. (If the URL doesn't work go to www.damark.com and search for 'tank') --Chuck McManis (...) (25 years ago, 7-Sep-99, to lugnet.robotics.handyboard)
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| | Handy Board help page
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Check out this link... (URL) (25 years ago, 7-Sep-99, to lugnet.robotics.handyboard)
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| | RE: Parts List
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I believe The Robot Store sells the kit for $170...but not including the Expansion board. Check the HB site for the site. (...) (25 years ago, 7-Sep-99, to lugnet.robotics.handyboard)
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| | bad GP2D02 link
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What's wrong with Barry Brouillette GP2D02 Home page?? The link: (URL) the main Handybord Page won't work. I get an error message: employees is invalid. Has anyone the correct link or saved the pages&icb local? thank you (25 years ago, 7-Sep-99, to lugnet.robotics.handyboard)
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| | exp.bord analog routed trough 5&6?
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Unfortunately I ruined my analog ports 0-3. Is it posible to route the expansionboard analog ports through port 5&6 of the handyboard instead of 0&1?? What do I have to do?? thank you Stephan (25 years ago, 7-Sep-99, to lugnet.robotics.handyboard)
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| | A good toy to hack for the HB?--TIA
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Hello all, The school year's starting and I need to commence my annual science project. I wanted a good RC car to hack. The LEGOs aren't sufficient. I don't need speed at all, actually I'd rather it be slow but I can always gear it down. But I would (...) (25 years ago, 6-Sep-99, to lugnet.robotics.handyboard)
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