 | | Is 18V correct?
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Oh, you hardware guys must really hate us software guys but... I just purchased a volt meter, I had used on in college a long time ago, so I placed the voltmeter across the AC adapter and it read 18.0, I'm guessing this is 18 volts, but I could be (...) (28 years ago, 29-Jan-97, to lugnet.robotics.handyboard)
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| | Re: Rug Warrior Program
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(...) [snip] (...) Well, you say that, but you got this far, didn't you? port_a should be 0x1000, port_d should be 0x1008, declared as int. These are the hardware addresses of those ports on the HC11. Did you get a copy of all the Handyboard (...) (28 years ago, 28-Jan-97, to lugnet.robotics.handyboard)
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| | Re: 68HC11
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JTW, I have ordered from a company in Dallas, TX called B.G.Micro, inc.. They have the 68HC11A1FN for $6.95 and the socket for it. Check out their web page: (URL) Orders only - 1-800-276-2206 Tech support 972-271-9834. I have run across other (...) (28 years ago, 28-Jan-97, to lugnet.robotics.handyboard)
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| | Rug Warrior Program
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I have entered all the rug warrior program and have got it all debugged of all but two errors. By debugged I mean I have found all the mistakes that I made when entering it and got all but two error messages to go away when I attempt to load it into (...) (28 years ago, 28-Jan-97, to lugnet.robotics.handyboard)
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| | Re: High power motor drivers
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Keith Check the HB home page. Fred posted my info for a H-bridge that will handle two 12V-55V motors at 3A each. I know it's not exactly a custom bridge, but you can make the PCB from scratch. The LMD18200 from National makes this really easy. (...) (28 years ago, 28-Jan-97, to lugnet.robotics.handyboard)
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| | Re: High power motor drivers
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You should be able to "piggy back" two motor driver chips. The normal ones for the HB are capable of about 1Amp or .6Amp. Use another 1Amp chip and you should be able to source 1.5Amps. Although, I imagine that using identical chips would be (...) (28 years ago, 28-Jan-97, to lugnet.robotics.handyboard)
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| | Rug Warrior Program in Mobile Robotics Book
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I finally have my HB completed and yesterday I located the Mobile Robotics book at the University of Arkansas bookstore. Anyway what I want to know is can I load the rug warrior program that is in the back of the book as is and make it work. Are (...) (28 years ago, 28-Jan-97, to lugnet.robotics.handyboard)
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| | 68HC11
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Howdy, I'm looking for a supplier of the 6811 that does not have a minimum order requirement. I was talking to Motorola direct and they had a minimum of 23 pices on theMC 68HC11A1FN. It's true that I'd like to have that many HB entities but I think (...) (28 years ago, 28-Jan-97, to lugnet.robotics.handyboard)
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| | High power motor drivers
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I need to drive two motors from the handy board and I need a little help building a driver circuit. The motors are 12v ~1.5A motors that are to be run in both directions. I want to use the motor outputs on the handyboard as the control signal to the (...) (28 years ago, 28-Jan-97, to lugnet.robotics.handyboard)
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| | Re: Power Supply
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The FAQ is at the Home Page. (...) (28 years ago, 28-Jan-97, to lugnet.robotics.handyboard)
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