 | | Wrong port or boot mode.
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I am in the process of building a Handy Board and I have just completed assembly step 4.4. When I try to download using hbdl, I get the following error message "wrong port or boot mode". Both BATT and PWR LED are off, I believe that the board is in (...) (28 years ago, 18-Oct-96, to lugnet.robotics.handyboard)
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| | Re: Connecting Sonar to the Handy Board
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(...) Thank you, I have just ordered a couple of them. Humberto \ / o====|---...--- ---...---|====o / \ Humberto Martinez Barbera e-mail: humberto@fcu.um.es Departamento de Fisica humberto@colos.fcu.um.es Facultad de Ciencias web: (URL) Universidad (...) (28 years ago, 16-Oct-96, to lugnet.robotics.handyboard)
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| | Re: Connecting Sonar to the Handy Board
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(...) See the "How to Get a Handy Board" page... (URL) look at the Ben Wirz entry. -Fred (28 years ago, 16-Oct-96, to lugnet.robotics.handyboard)
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| | Re: Connecting Sonar to the Handy Board
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Check out the site at: (URL) order a sonar unit for $50 US. Although, I'm not sure if he'll ship out of the country. You can always e-mail and ask I guess. Hope it helps Matt ___...___ Matthew J. Harlan Cornell University Electrical Engineering (...) (28 years ago, 16-Oct-96, to lugnet.robotics.handyboard)
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| | Re: Connecting Sonar to the Handy Board
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Hi everybody, (...) I have a slightly different problem. I have the code but I have not got the Polaroid sonar units. I have been looking for them in the web but I got no response. Could anybody send me any links or e-mail addresses? Nota that I am (...) (28 years ago, 16-Oct-96, to lugnet.robotics.handyboard)
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| | Re: Connecting Sonar to the Handy Board
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Hi Todd, You don't need the expansion board to connect the Polaroid transducer to the Handy Board. In fact, Kent Farnsworth has code to show exactly how to do it. Check out: ftp://cherupakha.med...trib/kent/ I hope that helps. - Prabal (...) (28 years ago, 16-Oct-96, to lugnet.robotics.handyboard)
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| | Connecting Sonar to the Handy Board
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I am trying to find the easiest way to connect sonar to the handy board. I already have the polaroid soanr units but have no idea how to hook them up to the handy board. I have read about the expansion board and its capability of doing this. The (...) (28 years ago, 16-Oct-96, to lugnet.robotics.handyboard)
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| | Encoders routine
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I am having difficulty using the Encoders.c routine for the handyboard. I have written some code that continually reads the encoder (port 0) and writes it to the LCD, then waits 30 [ms] so that the value is readable. I called this code testsens.c (...) (28 years ago, 14-Oct-96, to lugnet.robotics.handyboard)
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| | Passive IR motion detectors
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(...) A while back B. G. Micros had passive IR modules for $8 or so. I haven't used them so I don't know if they work well. The phone # for B. G. Micros is (214) 271 5546. -- Randy (28 years ago, 10-Oct-96, to lugnet.robotics.handyboard)
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| | Looking for SN754410s.
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Richard Hughes sells individuals of the L293D. I don't know if that is good enough for you, but there aren't many places to buy onesies and twosies. (URL) (28 years ago, 9-Oct-96, to lugnet.robotics.handyboard)
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| | Looking for TI SN754410s.
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I am looking for four (4) TI SN754410s. I have tried all of the usual electronic parts distributors, but they are all out of stock. I would appreciate any leads or suggestions. Thanks. (28 years ago, 9-Oct-96, to lugnet.robotics.handyboard)
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| | Looking for SN754410s.
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I am looking for four (4) TI SN754410s. I have tried all of the usual electronic parts distributors, but they are all out of stock. I would appreciate any leads or suggestions. Thanks. (28 years ago, 9-Oct-96, to lugnet.robotics.handyboard)
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| | IR Detectors
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Does anyone know where to buy the electronics that are used to make security system IR/motion detectors? The complete wireless modules cost about $50, I was wondering if they could be bought without the transmitter and if these would be easy to (...) (28 years ago, 9-Oct-96, to lugnet.robotics.handyboard)
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| | More info of serial I/O
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I am trying to get the handyboard to communicate with a standard COM port. I have Randy Sargent's code of how to communicate serially, however, a terminal program cannot find the handyboard (I get a "Cannot open COM Port" error). I think that there (...) (28 years ago, 9-Oct-96, to lugnet.robotics.handyboard)
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| | looking for a web site...
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Along similar lines, I've been searching for a web site I saw once. It features a basic stamp or PIC controlled LCD terminal, to be directly connected to a serial line. I was hoping to possibly scavenge some code off of the site, but I can't find (...) (28 years ago, 6-Oct-96, to lugnet.robotics.handyboard)
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| | serial code
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I'm just curious if anyone has written any code to communicate with the handy board through its serial line - either on the PC or handy board side. (Yes, I have the routines Randy Seargent posted, I'm looking for implementations of them...) I'm (...) (28 years ago, 6-Oct-96, to lugnet.robotics.handyboard)
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| | Tutebot
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I am just starting to learn about basic electronics and robotics. I purchased the book "Mobile Robots" and have read through parts of it. I decided to try and build the "Tutebot", a simple analog brained robot with a bumper sensor. If anyone has (...) (28 years ago, 4-Oct-96, to lugnet.robotics.handyboard)
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| | Re: mobile robot books
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(...) The solution is something real dumb. I sent a message to all. You'll laugh at it. :) (28 years ago, 1-Oct-96, to lugnet.robotics.handyboard)
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| | Re: mobile robot books
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Accessing the Borenstein thing seems to be a problem quite a few are having. I got a few messages questioning how I eventually got in. Instead of responding to all of them, I figure I'd post it to everyone. Below is the message from Sriram to me. It (...) (28 years ago, 1-Oct-96, to lugnet.robotics.handyboard)
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| | Re: mobile robot books
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I think if you access the file via the web at port 80: ( (URL) than by ftp , you might have luck scott in ann arbor (28 years ago, 1-Oct-96, to lugnet.robotics.handyboard)
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