 | | Re: Sonar Multiplexor Question
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(...) I notice that Adam's circuit uses all 4 available SCI outputs to select the transducer, but the sonar board itself requires two of them already. Why not just get a 2-to-4 line demultiplexor, and use the remaining 2 SCI outputs to select the (...) (27 years ago, 2-Mar-98, to lugnet.robotics.handyboard)
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| | Re: Sonar Multiplexor Question
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(...) Ive never done this before, but couldnt you do this? Buy a multiplexer that will take 2 outputs and multiplex it to 4 outputs, since you will only be driving one at a time. To each individual output of the multiplex, wire the power to one (...) (27 years ago, 2-Mar-98, to lugnet.robotics.handyboard)
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| | Sonar Multiplexor Question
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To anyone on the list: I would like to drive 3-4 transducers from a single Polaroid sonar ranging unit. Adam Cox posted a circuit for doing this on the HandyBoard page -- I have a few questions regarding this and possible alternative solutions. Has (...) (27 years ago, 2-Mar-98, to lugnet.robotics.handyboard)
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| | Re: V2X Compass
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I have a question for you, how much does the compass deviate when the motors turn on. As an ex-sailor, one of the major consideration in using magnetic compasses is deviation, and on a small bot, the deviation would vary due to the changing (...) (27 years ago, 2-Mar-98, to lugnet.robotics.handyboard)
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| | IR sensor
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I am having troubles getting my ir sensor to work I did everything that is said in the technical reference and when I try to retrieve the data all I get is 255 the first time and 0 all the other times. I tried to deactivate it then activate it and (...) (27 years ago, 2-Mar-98, to lugnet.robotics.handyboard)
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