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Narrow Beam Ultrasonic

Discussion in 'General Electronics Discussion' started by sirch, Apr 16, 2013.

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  1. sirch

    sirch

    109
    1
    Dec 6, 2012
    Back in 2010 on another fourm http://arduino.cc/forum/index.php/topic,19878.0.html there was some discussion of Long Range Narrow Beam ultrasonic measurement. In reply #11 in that thread is the idea of an array of transducers to narrow the beam.

    I am thinking of giving this idea a try but have a couple of questions:
    1. If I want to narrow the beam in two dimentions do I need a full matrix of transducers or will a cross (X,Y) do it?
    2. I currently use an Arduino to drive an oscillator made up of an inductor and the piezo transducer. What is the best way of driving the array? Mulitple oscillators, transducers in parallel, transducers in series or somehting else?
     
  2. Electro132

    Electro132

    261
    3
    Feb 12, 2013
    Might i ask which Arduino kit would this be?
     
  3. sirch

    sirch

    109
    1
    Dec 6, 2012
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