 | | Cheap Sonar
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A while back there was a discussion on cheap sonar. I was wondering if anyone has tried the sonar device from this page (URL) . If someone has tried it, could you tell me what you think of it, and if you ran into any problems using it. Also, I just (...) (27 years ago, 30-Mar-98, to lugnet.robotics.handyboard)
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| | Robot pics
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We have pictures and schematics of our new robot "Betty" on-line. It uses our Finger Board for the controller, a compatible "Handy Board" Embedded Acquisition Systems 1565 Shrader Street San Francisco, CA 94117 WEB (URL) jfong@hooked.net (27 years ago, 30-Mar-98, to lugnet.robotics.handyboard)
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| | Re: Cannot download :(
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(...) I had a similar problem, and while I couldn't exactly fix it, I managed to avoid it as follows: I had a serial mouse on COM1 and the HB plugged into COM2. I could *not* download like this no matter what I tried. So, on a whim, I found a 9 to (...) (27 years ago, 30-Mar-98, to lugnet.robotics.handyboard)
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| | Servos
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Can you hook up RC servo signal inputs to the motor drivers? It looks to be feasable as both require a pulse width modulated signal but I'm not sure if the motor driver's carrier frequency and range of pulse widths is suitable. Any ideas - it would (...) (27 years ago, 30-Mar-98, to lugnet.robotics.handyboard)
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| | Cannot download :(
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hello, I'm having trouble downloading on my Dell 300mhz PII computer but for some reason have no trouble downloading on my old 486dx2 though. I get a "wrong port or board mode message" when I use the HBDL.exe software and a "timeout on serial (...) (27 years ago, 30-Mar-98, to lugnet.robotics.handyboard)
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| | HB Kits
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Does Gleason Research still sell the non-assembled HB kits. Because I went to their web page but they only had the assembled version. Thank You, Peter Eacmen (27 years ago, 30-Mar-98, to lugnet.robotics.handyboard)
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| | Re: Vector 2x and Polaroid sonar source
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(...) Try Wirz Electronics for the sonar module. Last I heard, they will sell you a single unit for about $50, and I'm pretty sure you can order via the web. Unfortunately, I don't think that they sell the V2X. You can also get the sonar module (...) (27 years ago, 29-Mar-98, to lugnet.robotics.handyboard)
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| | Vector 2x and Polaroid sonar source
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I'm looking for a source, probably US based, for the Polaroid 6500 ranging kit and the Vector 2x compass. Does anyone know a source that sells both of the components. I'm trying to save myself two seperate international airmail costs to New Zealand. (...) (27 years ago, 29-Mar-98, to lugnet.robotics.handyboard)
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| | Re: Wall Following
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Chris, I got the same problems with the IR detection. I read somewhere that this is a problem when you use IC and multi processes. The solution could be a "hog_processor()" statement in the IR routine. My question to you is. How will you solve the (...) (27 years ago, 29-Mar-98, to lugnet.robotics.handyboard)
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| | using 7.2v battery with HB
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this actually should be fine. the characteristic of nicads is to have a fairly level output voltage as they discharge, and then drop off sharply when the power's all gone. so it should be no problem. fred (27 years ago, 29-Mar-98, to lugnet.robotics.handyboard)
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