 | | Re: Help! - Strange Bug.
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(...) Do you recall ever feeling a static electricity shock when you went to press the start button in the past? The bug has all of the earmarks of a static damaged part. If other programs still work then it is probably U5 (the 74HC244) try (...) (28 years ago, 5-Mar-97, to lugnet.robotics.handyboard)
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| | Re: Vector2x SPI interrupt driven code
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Hey Tom How close is too close? How far away do you have it? Any problems with just pieces of metal, like casters or maybe a gel cel holder. (hint hint) Sounds like a pretty nifty little device. Just wondering if my setup would allow me to use it (...) (28 years ago, 5-Mar-97, to lugnet.robotics.handyboard)
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| | Help! - Strange Bug.
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Hi All, I have recently completed construction of a Handyboard which passed all it's initial tests with the downloader, pcode and hbtest.c program, thanks to some help from Fred Martin, and I am now enjoying writting some programs for it. However I (...) (28 years ago, 5-Mar-97, to lugnet.robotics.handyboard)
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| | Handy Board Assembly
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Good morning. I am building a handy board for the first time using the Douglas Electronics boards and parts from various sources. I have been following the assembly instructions with great success up to now: I'm stuck at the end of section 4.4, (...) (28 years ago, 5-Mar-97, to lugnet.robotics.handyboard)
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| | Re: Serial port and Handyboard.
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This question is answered in the Handy Board FAQ. The FAQ is linked off of the top level Handy Board home page. -Fred -- This message was composed using Articulate Systems' PowerSecretary, a Macintosh-based speech-to-text dictation system. Please (...) (28 years ago, 5-Mar-97, to lugnet.robotics.handyboard)
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| | Vector-2x
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(...) I'd do a quick web search, or actually call up Precision Navigation first, but we do have copies of fax-back docs from about a year ago online. Check out: (URL) Randy ---...--- Randy Sargent Newton Research Labs Senior Design Engineer Robotic (...) (28 years ago, 5-Mar-97, to lugnet.robotics.handyboard)
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| | Printed Layouts
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Hello, I want to etch the Handyboard myself (because it's hard to get it here in Germany) and so I am searching for printed circuit board layouts from the Handyboard and the Interface/charger and a part listing (if possible in Germaan). Thank you in (...) (28 years ago, 5-Mar-97, to lugnet.robotics.handyboard)
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| | Serial port and Handyboard.
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Hi again. I'm wondering if anyone had an example of using the serial interface on the handyboard to recieve signals from the mac/pc, and processing them ? This is essential for my project, as i'm trying to interface it with the httpd on the (...) (28 years ago, 5-Mar-97, to lugnet.robotics.handyboard)
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| | Servo trouble solved!
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Hi again. Sorry for troubling you with that mail earlier, I finaly figured out what was wrong. I did not have COMMON ground between the two separate powersupplys, and that created the big mess..:( But i'm still interrested in some programs that i (...) (28 years ago, 5-Mar-97, to lugnet.robotics.handyboard)
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| | Re: Vector2x SPI interrupt driven code
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(...) Tom Brusehaver, formerly tgb@bnr.com. (...) 45degrees sounds more like a dinsmore device (compass mechanism, and 4 hall effect transistors). I have them, and they are useful for some things. (...) The vector2x is a compass made by Precision (...) (28 years ago, 5-Mar-97, to lugnet.robotics.handyboard)
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| | Servos again.
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Hi. I'm still having problems with my servos and the board. I got the servos connected to the port 9 and the fourth port from the right on the handyboards expansion bus. (Think this is correct) But when i enable ONE of the servos (Only loading the (...) (28 years ago, 5-Mar-97, to lugnet.robotics.handyboard)
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| | Re[4]: phone cord length
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Ooops, You're right of course! Richard ___...___ Reply Separator ___...___ Subject: Re: Re[2]: phone cord length Author: tomb@netperceptions.com at Internet-Mail Date: 04/03/97 13:03 > TTL does NOT go down that line, it is RS232 which is commonly (...) (28 years ago, 5-Mar-97, to lugnet.robotics.handyboard)
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| | Re: IR collision avoidance
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(...) Someone could probably give some very good reasons why 45 degrees is a good choice. For me it was common sense and experiment. Less than 45 degrees from ahead and the angle the IR is hitting the wall is too "shallow" and I don't get a return. (...) (28 years ago, 5-Mar-97, to lugnet.robotics.handyboard)
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| | 567 design help needed
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I am designing a circuit that requires a 567 tone decoder to detect a 500hz signal and I need some help. I don't have any technical manuals available with that chip in it and I need to know how to wire it up. If someone could post a design or send (...) (28 years ago, 5-Mar-97, to lugnet.robotics.handyboard)
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| | Re: Vector2x SPI interrupt driven code
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Not sure who you are? tomb? Anyways, I noticed mention of a compass.... I once looked into the idea of using a flux gate compass to obtain heading info. After finding that the inexpensive (affordable) models would only obtain info at a resolution of (...) (28 years ago, 5-Mar-97, to lugnet.robotics.handyboard)
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| | Re: Re[4]: IR Collision avoidance
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Richard, Thank you for your response. I must admit that my electronics knowledge is limited to basic theory and some practice. I depend on others, such as yourself, who have had more experience. Furthermore, I would greatly appreciate any thoughts (...) (28 years ago, 5-Mar-97, to lugnet.robotics.handyboard)
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| | Re: IR Collision avoidance
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Matt, You mentioned an IR device from Digi-key. Can you expand (part no.) tel phone no. for Digi. Process analog info from IRs to digital data for HB? What IRs are compatible and where might I get this stuff. Your info into this would be greatly (...) (28 years ago, 5-Mar-97, to lugnet.robotics.handyboard)
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| | Vector2x SPI interrupt driven code
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Well it works. A couple people have asked for it. Turns out the stupid V2X docs are wrong again! Like the product, but bad docs will kill it! Even if you don't have a V2X, I have seen enough traffic asking about using the SPI for things on the HB, (...) (28 years ago, 5-Mar-97, to lugnet.robotics.handyboard)
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| | Re: Re[2]: phone cord length
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Don't those tend to have swapped conductors too? I thought that the receiver cords were slightly different from the other cords. You might have to crimp new connectors on the end. -Jeremy (...) ___...___ Jeremy Green jag@world.std.com (...) (28 years ago, 5-Mar-97, to lugnet.robotics.handyboard)
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| | Re: Re[2]: phone cord length
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Speaking of noisy lines, I was thinking of getting one of those telephone cords that's coiled helix-like to colapse the wire. Now that we're discussing this topic, I am wondering if this cord would effect the electronics. The thought came up to me (...) (28 years ago, 5-Mar-97, to lugnet.robotics.handyboard)
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