| | Re: External power for motors
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Phil, Let me tell you that when someone made the same suggestion to me I hade to reconsider the demolition of my beautiful (expensive!) HB. My solution is this.... Simple take up pin 8 of the driver chip (SN754410) and wire it so that it may be (...) (28 years ago, 20-Mar-97, to lugnet.robotics.handyboard)
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| | Re: Sonar and the handyboard
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Keith, On the ftp site under ???/contrib/kent/sonar there should be a file called sonartst.c This file tests the unit goven that you've included sonar.icb in the initial loading of library files. The file simply calls the ping(0) routine then waits (...) (28 years ago, 20-Mar-97, to lugnet.robotics.handyboard)
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| | Re: New motor drivers
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The 18200 requires 12V motors, is that what you have? I ask because they are fairly unusual in small bots. --Chuck (28 years ago, 20-Mar-97, to lugnet.robotics.handyboard)
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| | New motor drivers
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Does anyone know an easy way to replace the motor drivers on the handyboard with the 18200 chip from National Semiconductor? The motors I am going to be driving need more current that the old ones can put out so I need to upgrade. I know that they (...) (28 years ago, 20-Mar-97, to lugnet.robotics.handyboard)
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| | Motorola Microprocessor source
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Does anyone have a source for the following parts or suitable substitutes: Motorola 6811 microprocessor Hitachi 16x2 LCD Sharp IS1U60 infrared demodulator SGS-Thompson L293D motor driver William F. Conroy III conroyw@acm.org Lt Col, USAF (28 years ago, 19-Mar-97, to lugnet.robotics.handyboard)
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