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(...) and (...) I've noticed that plugging in or unplugging the serial/charger cable confuses the board. Try plugging it in first, then putting it into DL mode. If you want to unplug it, turn it off first, then power it back on (e.g, after you've (...) (28 years ago, 19-Nov-96, to lugnet.robotics.handyboard)
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Hey guys, My handy board has worked great so far! I've hooked it up with bumpers light detectors, and infared proximity detectors. But unfortunatly, last time I tried to load Pcode, my handy would not go into bootstrap download mode. After screwing (...) (28 years ago, 19-Nov-96, to lugnet.robotics.handyboard)
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| | Digital Compass
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Dose anyone know how to hook up the Vector 2X Digital Compass to the handyboard. I know to use the SPI, but what else. Any info would be great. Illegitmi non carborundum -scoooty- (28 years ago, 18-Nov-96, to lugnet.robotics.handyboard)
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| | Re: Handyboard in the U.K.
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(...) Im not sure if Radio Shack is in the U.K. or not (I doubt it) but they sell ultrasonic tape measures for about $29. Possibly you could order a catalog from them. Alternately there were several suggestions for building your own in the group (...) (28 years ago, 18-Nov-96, to lugnet.robotics.handyboard)
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| | RE: sonar (fwd)
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(...) This is correct, but it isn't too expensive. Scott Edwards has a PIC that will do all of the computation for you. I built a cheesy ultrasonic sensor using a Ramsey Electronics Tone Detector and a modified Rainbow electronics IR-3 board. (total (...) (28 years ago, 18-Nov-96, to lugnet.robotics.handyboard)
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| | Handyboard in the U.K.
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I'm just getting started into robotics and have spent the last weekend going over the archived mailing list (big isn't it?!). It has certainly whetted my appetite. I've lashed together a rudimentary 6811 board and have since discovered the (...) (28 years ago, 18-Nov-96, to lugnet.robotics.handyboard)
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| | Ok, the Ultrasonic Docs are up http://www.vnet.net/wizorg/wizorg.html
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Howdy all, I've gone ahead and put up the Ultrasonic Ranging System documentation and schematics on my web page: (URL) Hope it helps someone! John (28 years ago, 18-Nov-96, to lugnet.robotics.handyboard)
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| | Re: sonar (fwd)
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Just to add a basic newbie note on receiver blanking that will have to be designed in if you build it yourself. A transmit pulse is a very powerful (relatively speaking) pulse. For example, the Polaroid transducer, about the size of a silver dollar, (...) (28 years ago, 18-Nov-96, to lugnet.robotics.handyboard)
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| | Re: Used Handy Boards
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(...) Can't offer much wisdom at this time since we are at the same place as you. Decided on Handyboard, saw three different suppliers in the HB stuff at MIT, and will decide this week which to buy. We're using Polaroid sonar, IR, and bumper (...) (28 years ago, 18-Nov-96, to lugnet.robotics.handyboard)
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| | Re: Strange Problem???
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(...) you don't have to do it manually? I have one. it's attached, and was made by my friend. It stands for IBM-To-UNIX. I have also it's companion, UNIX-To-IBM ;) cya! (28 years ago, 18-Nov-96, to lugnet.robotics.handyboard)
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