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Thread: servo for heater/ac controls

  1. 02-21-2003, 10:01 PM #1
    Zip-Lock
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    servo for heater/ac controls

    I’m looking to eventually control my heater and a/c controls with my car computer. After disassembling the heater controls I have decided that it will be much easier to just mechanically operate the controls with servos, I know this is inefficient but I’m okay with that.

    I have no prior experience with servos. After trying to going shopping for a servo I came back confused. Can someone tell me what I should be looking for and possibly recommend one? Thanks.
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  2. 02-21-2003, 10:38 PM #2
    jzgt
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    Check Ashley Power's web site. He has successfully used servos for the hvac controls.

    Ashley Powers


    - Jeff
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  3. 02-22-2003, 10:14 AM #3
    Aaron Cake
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    Stepper motors are another option. Easy to control and cheap on the surplus market. The book "Robot Builder's Bonanza" by Gordan McComb has a lot of info on controlling steppers (and servos) via the PC.
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  4. 02-22-2003, 01:44 PM #4
    Zip-Lock
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    I'm planning on having the BasicX microprocessor control either a servo or stepper.

    Are there any recommended tutorials on servos and/or steppers?
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  5. 02-22-2003, 02:23 PM #5
    jzgt
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    Aaron, Thanks for the info - I have seen that book in Barnes & Noble and now have an excuse to buy it!

    - Jeff
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  6. 03-11-2003, 10:52 AM #6
    sstalib
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    Jeff, Ashley Powers website does not have any details on how he used the servos. Just a pic showing the controls on his lcd.

    Has somebody else done this???

    Aaron & Jeff, an updated edition for Robot Builder's Bonanza is due in April 2003 (according Barnes and Nobles Website). You can pre-order. ISBN: 007141357X

    Find Best Prices Here:

    Whats the take on Robot Builder's Sourcebook?

    Talib
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  7. 03-11-2003, 12:22 PM #7
    jzgt
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    Yeah, I just went there and noticed that...hmm. He used to have fairly detailed pictures and links. The servo controller link is still there, I think. You can try to contact him through this site as he's a member.

    - Jeff
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  8. 03-11-2003, 07:41 PM #8
    jzgt
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    Talib,
    Thanks for the info - I forgot to thank you.

    - Jeff
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  9. 03-11-2003, 10:29 PM #9
    Filip
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    Hmm I remember someone [here] created some programto control servos and motors....but I forget where that was posted.

    Would it be that hard to create a program that gets temperature data (from a standard mobo sensor) and then adjusts the servo to heat/cool to bring the car to that temp? It seems like it shouldn't be too hard. Although, it will still have to be open to changes, such as different servos, more or less turns for cool/heat, etc.
    No Carputer YET.
    A car I'm designing...
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  10. 03-12-2003, 05:25 PM #10
    jzgt
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    Filip,
    You're reading my mind!

    - Jeff
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