 | | RE: Dinsmore Compass 1490
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You say these devices just use hall effect devices to detect the direction, do you have any technical information that would assist in producing a digital compass from scratch ?. Thanks John Hatton mailto:johnhatton@email.com (...) (26 years ago, 6-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Dinsmore Compass 1490
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(...) The dinsmore devices are really easy to work with. This one has 4 hall effect devices in it, and the output is digital. If you align it with cardinal coordinates you can tell North, East, South, and West very easily only one device is (...) (26 years ago, 5-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Please help!!!!!!!
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yes, the only change is that R11 moved (and should be 5 watts now). sorry i haven't updated things, but that's really all that's different. fred In your message you said: (...) (26 years ago, 5-Feb-99, to lugnet.robotics.handyboard)
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| | Dinsmore Compass 1490
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Hi, I found this on the internet, and I wanted to know if anyone is using it: (URL) produce a digital Compass which is very cheap ($12 only). Anyone already used such a compass ? Is there a way to get such a compass working with the HandyBoard ? (...) (26 years ago, 5-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Handyboard Expansion Sonar Issues
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Bill - - Thanks! - - - Nick - - - (...) (26 years ago, 5-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Handyboard Expansion Sonar Issues
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(...) It's possible that the flat flex cable could make electrical contact either way, since the socket has "teeth" in it that could penetrate the insulation on the one side of the cable. And *don't* trust that the dotted edge is the correct one; I (...) (26 years ago, 5-Feb-99, to lugnet.robotics.handyboard)
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| | Parts list up-date
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I will be going down to my local electronics store to buy the part to put two of these boards together. I have been going through the list to get a true description of all the parts and have found that Digi-key no longer stocks some parts by the (...) (26 years ago, 5-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Handyboard Expansion Sonar Issues
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Thanks. That seems to have done it. I don't know how I missed that line. Way cool device. Thanks again for your help. Stephen Michael sa_michael@hotmail.com (...) MHotMailB8836FEE69C5...0D6B0DFE0; Thu Feb 04 14:53:35 1999 (...) didn't use HELO (...) (26 years ago, 5-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Please help!!!!!!!
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We ought to get Fred's input on this; however, the only change I see is that Resistor R11 has been moved between versions 1.0 and 1.1. Everything else looks to me to be the same between the two versions. (...) ___...___ Chad Pennebaker, President (...) (26 years ago, 5-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Handyboard Expansion Sonar Issues
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(...) Please explain. Now I'm worried about damaging my sonar board. Since the foil cable has conductors on only one side, I didn't think that it was possible to plug it in "backwards" and still make an electrical connection. My understanding of the (...) (26 years ago, 5-Feb-99, to lugnet.robotics.handyboard)
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| | Please help!!!!!!!
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I have a serial/batt board that's version 1.1 and it is not the board specified in the assembly manual so I have no clu on how to construct the thing I searched the site but there are no assembly instructions for this version can somebody help me (...) (26 years ago, 5-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Matrices with Interactive C?
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Adam: You have made a 2 dimensional aray? How did you do it? Did you use int foobar[2][3]; ?? I cound not get it to work this way. Thanks for the insights, --philsky (26 years ago, 5-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Handyboard Expansion Sonar Issues
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There is a very high probability that you plugged the foil cable in backwards. Doing so, even for a moment, will destroy the IC chips. It will still click (I haven't figured that one out yet), but the IC chips and possibly even the electrolytic (...) (26 years ago, 5-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Matrices with Interactive C?
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I don't think it 'directly' supports matrices, but I have used a 2 dimenstional array to simulate a matrix. You may have to write some functions for multiplication etc, but it works ok. -----Original Message----- From: Peter Eacmen (...) (26 years ago, 5-Feb-99, to lugnet.robotics.handyboard)
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| | Re: stack pointer
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Windows tips: Tip 1: Lose Windows!!! Reboot your computer, hit "F8" when the little message "Starting Windows 95" comes up. Select the option "Command prompt only". Now, run IC and/or DL and you should have no problems. Basically, windows is nothing (...) (26 years ago, 5-Feb-99, to lugnet.robotics.handyboard)
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| | Re: A few questions...
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a few notes... in the faq there is a discussion about how to measure the resistance of a motor coil, as a way of determining if it's compatible with the hb. also in the faq, is a description of a mod that will allow using a separate power supply for (...) (26 years ago, 5-Feb-99, to lugnet.robotics.handyboard)
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| | Re: A few questions...
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I bought their Robot Platform (roomy and sturdy!) which came with two gearbox motors. I, too, am using the HB w/exp. If the motors you received are the same as the ones that are used on their Platform then you will have trouble using them via the HB (...) (26 years ago, 5-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Motor outputs
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Texas Instruments is the original manufacturer for those IC's (...) (26 years ago, 5-Feb-99, to lugnet.robotics.handyboard)
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| | A few questions...
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Hello all, I have gotten both a Handy Board and an expansion board and they both appear to work. My servo problem reported earlier is no longer an issue. I plan to use the HB with two High Power gear box/motor sets I got from HVW Technologies. They (...) (26 years ago, 5-Feb-99, to lugnet.robotics.handyboard)
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| | Matrices with Interactive C?
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Does interactive C support matrices? (26 years ago, 4-Feb-99, to lugnet.robotics.handyboard)
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