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searching for wind speed schematic

Discussion in 'Electronic Design' started by developer, Oct 5, 2004.

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  1. developer

    developer Guest

    I need schematic and knowledge on this issue.
    the design
    the output signal has to feed into serial port o window 98 / 95 based IBM
    note book.

    any help is appreciated.

  2. Roger_Nickel

    Roger_Nickel Guest

  3. Hot wire designs are most often used for HVAC and for checking airflow
    when designing cooling systems for electronics and machinery.

    They are very good with very low flow. Not so good with a stiff breeze.
    Outside I think they would be close to useless, but what the heck ...
  4. Roger_Nickel

    Roger_Nickel Guest

    The boating fraternity here favour a design which uses 3 ultrasonic
    transducers arranged in a triangle. Doppler shift due to airflow affects
    the transit time of pulses between the sensors. I vaugely recall an
    article in Practical Electronics and a google search found this
    No moving parts is good when the thing is at the top of a mast in a storm.
  5. Maxim-Dallas offers this article regarding the implementation of a full
    weather station using one-wire interface devices. They sell an adapter
    that connects a PC's serial port to the one-wire (MicroLAN) network as
    well... power-stingy and cheap, too!

    Here's a link to the article.

    Dwayne Surdu-Miller
    Digital Designer
    SED Systems, a division of Calian Ltd.
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