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Hello people: I´m a student from PUCRS(Brazil) and I have to finish my conclusion Work in my course(Mecatronical Engineering) and I need to Know how I modify the frequency in MC68HC11 set in 500Hz to 5KHz because the drivers need work to control a (...) (24 years ago, 10-May-00, to lugnet.robotics.handyboard)
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| | Sonar (yes, it's me again, with more sonar questions!)
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Today several members of my lab and I decided to solder together the sonar assembly which had been previously been held together by large quantities of duct tape. We decided the 9-pin connection strip would be too flimsy and unnecesarily difficult (...) (24 years ago, 9-May-00, to lugnet.robotics.handyboard)
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| | RE: Household Positioning System Re: DGPS
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Can we use RF for the communication? The concept is much like the actual GPS systems, triangulate the position with 3 or more signals looking forward for a system like this Kalyan (not an Electronics engineer) -----Original Message----- From: (...) (24 years ago, 9-May-00, to lugnet.robotics.handyboard)
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| | Household Positioning System Re: DGPS
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(...) How about a beacon system. Each room can have 3 or so beacons high on the wall. Each beacon flashes at 38Khz and each beacon modulates this 38KHz with its own personal code. The top layer of your robot would have 3 or 4 directional sensors (...) (24 years ago, 9-May-00, to lugnet.robotics.handyboard)
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| | expansion board problems
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hello. i seem to be having an expansion-board problem which is very puzzling. i am using all sixteen ports, and am in the process of putting together a project which requires that it be stored with all sixteen ports occupied for a week or two at a (...) (24 years ago, 9-May-00, to lugnet.robotics.handyboard)
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