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Wind Vane

Discussion in 'Electronic Basics' started by RKovach, Aug 23, 2004.

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  1. RKovach

    RKovach Guest

    I found an article in a 1998 "Electronics Now" mag that shows how to build
    an electronic wind vane using a rotary encoder and a 74HC154 decoder which
    will send the signal to the correct LED. The article states that this
    circuit will work up to 30 feet using a five-conductor cable for antenna
    rotators. My question is, can the signal be boosted somehow so a longer
    cable can be used. I would be installing the sensor on top of my two story
    house, and I would need to use about 70 feet of cable to mount the indicator
    where I would like it.
     
  2. onestone

    onestone Guest

    What about a differential driver, like an RS485. Driver on the roof,
    receiver down below. cheap and simple. With well shielded cable you
    probably wouldn't have a problem anyway.

    Al
     
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