 | | Re: handy board troubles...
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This isn't technically a Handy Board problem as my code is being run on a Rug Warrior look-alike. However, I suspect that the same problem I'm experiencing would happen on my Handy Board if eviscerated one of my other robots and tried it. (...) (26 years ago, 15-Apr-00, to lugnet.robotics.handyboard)
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| | How to change the baud rate of Interactive C
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Interactive C communicates with the 68HC11 at 9600 baud, but if you'd like to change that -- say, to maintain interactivity over a slow RF link -- it is easy to hack the software, at least in Mac version 3.1. I'm indebted to Randy Sargent who sent (...) (26 years ago, 15-Apr-00, to lugnet.robotics.handyboard)
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| | Re: Battery Charging Question
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Thanks for the tip. I think you are right. I got a NiMH catalogue from Panasonic and it makes some of the same recommendation such as charge rate, etc. It is much like NiCD if you charge the battery "watching the clock". I am planning on building a (...) (26 years ago, 15-Apr-00, to lugnet.robotics.handyboard)
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| | Re: About HAndy board and PIC... last one
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Oh, one more thing. I got my Handyboard from Patrick Hui/The Robot Store at Hong Kong. (URL) It is a little cheaper than Gleason Research. Ok, I will say no more.... -- Ray Du Toit, Francois (SEB IS FDP Developers) <handyboard@media.mit.edu> wrote (...) (26 years ago, 15-Apr-00, to lugnet.robotics.handyboard)
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| | Re: About HAndy board and PIC ... one more
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Oh, here is something more about my robot. I am programming the PIC to run the legs, so I can take to load off the handyboard. I will still use the handyboard since I like IC. But to have the Handyboard to run that many servos or stepper motors are (...) (26 years ago, 15-Apr-00, to lugnet.robotics.handyboard)
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| | Re: About HAndy board and PIC
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Hi, Sorry for taking me so long to reply... I was busy working on projects... Actually, I am not a good person to ask all these questions. I am also just getting started on this.... I want to first refer you to another site: (URL) This page contains (...) (26 years ago, 15-Apr-00, to lugnet.robotics.handyboard)
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| | Re: Sonar Pictures?
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Joe! Here's another pic of the sonar interface to the HB. Note that there are two ways to connect the sonar to the HB. One approach is to use the control lines to the L293 motor driver chip and the other is the SPI port. I've included both. Note (...) (26 years ago, 15-Apr-00, to lugnet.robotics.handyboard)
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| | Re: Sonar Pictures?
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(...) Try this picture: (URL) This shows the cap soldered in and pretty much hooked up. Hope this helps -Jim Munro <jimmn@xnet.com> (26 years ago, 14-Apr-00, to lugnet.robotics.handyboard)
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| | Sonar Pictures?
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Does anyone have pictures of their sonar assembly online that I could look at, just to make sure everything is where it should be? My sonar is still hovering around one reading (today it's 1300, the other day it was 700) no matter where an obstacle (...) (26 years ago, 14-Apr-00, to lugnet.robotics.handyboard)
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| | Re: DC motor question
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(...) [snip] (...) Bingo. Put .1uf caps (rated at least 4X your max voltage) from the (+) pole to the can, from the (-) pole to the can and from the (+) to the (-) pole. Keep your leads as short as possible. Put a big cap (1000uf+) on the power (...) (26 years ago, 14-Apr-00, to lugnet.robotics.handyboard)
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