 | | 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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| | HandyBoard's Baud rate
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My name is Micah Krider and I asked for the information on changing the baud rate on the handyboard to communicate serially. You sent me the following code to communicate serially: void xxxxxx(int c) { while(!(peek(0x102e)&0x80)); poke(0x102f,c); } (...) (28 years ago, 1-Oct-96, to lugnet.robotics.handyboard)
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| | Re: Adapting the LMD18200 (CORRECTION)
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Matt Harlan found a mistake in the following drawing. (...) Glad someone checked it, yup, the drawing is wrong. pin 3 on the LMD18200 goes to pin 2 on the handyboard, and pin 5 on the LMD18200 goes to pin 1 on the handy board. Sorry for the trouble (...) (28 years ago, 1-Oct-96, to lugnet.robotics.handyboard)
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| | Re: mobile robot books
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The address should be ftp.eecs.umich.edu/p...le/johannb ^ not just eecs.umich.edu/ from netscape ftp://ftp.eecs.umich...le/johannb anonymous login works for this address. I had the same problem too! matt (...) ___...___ Matthew J. Harlan Cornell (...) (28 years ago, 1-Oct-96, to lugnet.robotics.handyboard)
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| | using Buffalo with the HB
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Ronan -- I don't think it's the LCD per se that is causing problems, but rather the fact that the HB runs the 6811 in special mode. The main effect of this is that the interrupt vectors, including the reset vector, live at $bfc0 to $bfff rather than (...) (28 years ago, 1-Oct-96, to lugnet.robotics.handyboard)
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| | Re: mobile robot books
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In a message dated 96-09-29 18:58:39 EDT, you write: << Subj: Re: mobile robot books Date: 96-09-29 18:58:39 EDT From: mar@cooper.edu (MAR ERICSON) To: sriram@ds5500.cemr.wvu.edu (Sriram Tirunellayi) CC: handyboard@media.mit.edu > the book titled (...) (28 years ago, 1-Oct-96, to lugnet.robotics.handyboard)
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| | Re: Adapting the LMD18200
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(...) Right. (...) YIKES!!! you are right, I'll have to check this tonight. It looks like I have pins 3&5 swapped on the 18200. (28 years ago, 30-Sep-96, to lugnet.robotics.handyboard)
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| | Re: mobile robot books
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(...) It's actually 13MB. (28 years ago, 29-Sep-96, to lugnet.robotics.handyboard)
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| | Re: mobile robot books
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How do you log in anonymous? I tried user anonymous and and it failed. Like this: /usr/people/mar>ftp eecs.umich.edu Connected to eecs.umich.edu. 220 zip.eecs.umich.edu FTP server (SunOS 4.1) ready. Name (eecs.umich.edu:mar): anonymous 530 User (...) (28 years ago, 29-Sep-96, to lugnet.robotics.handyboard)
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| | buffalo on HB
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Hello All! I know it sounds perverse *not* to use IC, but I want to give students exposure to direct machine-language access in a revised "peripherals and interfacing" course using HBs. Can anyone give me specific advice about getting the BUFFALO (...) (28 years ago, 29-Sep-96, to lugnet.robotics.handyboard)
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| | Re: Adapting the LMD18200
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Tom I got a couple LMD18200's from National and I'm getting ready to connect them to my HB. Looking back in my list of messages I got this: (...) This part is OK, but I'm not sure about the rest. (...) The PWM inputs for each L293 are pins 1 & 9, (...) (28 years ago, 29-Sep-96, to lugnet.robotics.handyboard)
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| | Re: Mobil Robots
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(...) Who is Borenstein? (28 years ago, 28-Sep-96, to lugnet.robotics.handyboard)
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| | re:mobile robot books
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hi, the book titled -"Where Am I, Sensors & methods for Autonomous mobile robot positioning" by Borenstein can be downloaded freely from ftp eecs.umich.edu/people/johannb (anonymous ftp). its an acrobat file( 7MB). it discusses a lot about (...) (28 years ago, 28-Sep-96, to lugnet.robotics.handyboard)
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| | Upgrade for H-Bridge
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Just to let everyone know.. I have re-built the H-Bridge using TIP 140 and TIP 145 instead of the previous 120/125. I have just begun testing, but it seems to be working quite well. These parts are bigger, and a bit harder to find, but the current (...) (28 years ago, 28-Sep-96, to lugnet.robotics.handyboard)
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| | Re: How do you convert a int to a long or float?
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(...) Coercion is done by putting the type you want to convert it to in parens before the thing being converted; e.g.: float f = (float) 33; int i = (int) 10.; best, Fred (28 years ago, 26-Sep-96, to lugnet.robotics.handyboard)
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| | How do you convert a int to a long or float?
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I need to convert a int to either a long or float. I've always had a compiler that auto converts. I don't remember how to do it. I'd welcome any help. Jim (28 years ago, 26-Sep-96, to lugnet.robotics.handyboard)
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