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Uses for ultrasonic transmitters

Discussion in 'Electronic Design' started by Philip Frampton, Sep 10, 2004.

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  1. Ultrasonic receivers come in a pack with the transmitter. I use the
    receiver in a bat detector project - does anyone have any suggestions
    of uses for the transmitters. Every time I build a bat detector I have
    a transmitter left over.

    Is there essentially a difference in the design of the transmitter? Could
    it be adapted to function as a receiver?

    Many thanks,
  2. Don Pearce

    Don Pearce Guest

    Use the transmitter to keep the bats away.

    Pearce Consulting
  3. Use as Bat Detectors ;-)

    - Most transducers work both ways, maybe not well, but often well enough.

    I was surprised to learn that this holds for LED's too and I could use that
    for a circuit using a single fiber for bi-directional communication (when
    fiberoptics was expensive).
  4. kc5cqw

    kc5cqw Guest

    Make a back-up warning thingy for your bumper like on those over priced
    luxury cars.
  5. Ken Smith

    Ken Smith Guest

    I tried it with a red LED and got many mV. With a green LED nothing
    happened. I haven't tried a blue one.
  6. Clarence

    Clarence Guest

    For best results use the same color for transmit and receive. They are very
    frequency sensitive.
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