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Simulated Wind using 220V fan (and ArduinoUno?)

Discussion in 'DIY peripherals' started by Pit, Mar 27, 2016.

  1. Pit

    Pit - - - - - - - - - - - - - - - - Gold Contributor

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    I would like to use a 220V fan (100W AEG motor, detailed specs are not yet available) for simulating wind and as far as I know there is no such DIY project out here? If there is no solution I can replace the motor (to 24V) but I would like to stay with 220V if possible (because of too much work...).
    Any helpful links and other useful information are much appreciated.
    20160324_121301.jpg
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  2. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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  3. Historiker

    Historiker Dramamine Adict Gold Contributor

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  4. BlazinH

    BlazinH Well-Known Member

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  5. RacingMat

    RacingMat Well-Known Member Gold Contributor

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  6. Pit

    Pit - - - - - - - - - - - - - - - - Gold Contributor

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    Hey guys, such a great help in such a short time, thank you all and there is more than only one solution, finally I have all what I need. IMO the solution of @RacingMat is the easiest one because it is also possible to control the dimmer module M012 using control voltages between 1 - 5 V which makes it compatible to the Ard. PERFECT!
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  7. Pit

    Pit - - - - - - - - - - - - - - - - Gold Contributor

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  8. BlazinH

    BlazinH Well-Known Member

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    An arduino with a low-pass filter on the PMW output should control it.
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  9. Pit

    Pit - - - - - - - - - - - - - - - - Gold Contributor

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    Like this one? Low-pass RC filter using a 10kΩ resistor and 2.2uF capacitor.
    lowpass_bb.png
  10. Historiker

    Historiker Dramamine Adict Gold Contributor

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    Hey Pit, when you get it all sorted would you create a FAQ for building an Arduino AC Fan setup? We have lots of info on DC fans but this would be a great addition to the FAQ section.
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  11. BlazinH

    BlazinH Well-Known Member

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    Those component values should work fine for fan control. If you were going to use a low-pass filter to drive a rig though you would want to use a much smaller capacitor.
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  12. Pit

    Pit - - - - - - - - - - - - - - - - Gold Contributor

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    Agree mate, that's how it will be :)
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  13. RacingMat

    RacingMat Well-Known Member Gold Contributor

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    1er.gif
    hopefully you don't burn Hbridge anymore... because you should not blow on the fire! ;)
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  14. NjMotion

    NjMotion Active Member Gold Contributor

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  15. Pit

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    I have taken precautions
    brandschutz_small.jpg
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  16. RacingMat

    RacingMat Well-Known Member Gold Contributor

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    perfect!
    I'm eager to see your video : wind.gif
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  17. maweish

    maweish New Member

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    No bad Idea. For this you could use Solid State-Relays (Type for Mains) l.

    An maybe safer alternative could be a simple light dimmer-switch mechanically hooked up to a servo that tunes it.

    But always when you do something with voltage up 100 Volts you should know what youre doing! In case use the help of an electritian.

    If it is tool dangerous to you, use 12 Volt fans.

    (unfortunately i cannot post links, it thinks this is spam -_- )
  18. Pit

    Pit - - - - - - - - - - - - - - - - Gold Contributor

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    You are wrong mate, 12v can lead to death as well. It's mostly the amount of current flowing into a vital organ that causes death and not only the high voltage...
  19. BlazinH

    BlazinH Well-Known Member

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    As little as 1/10th of an amp of electricity across the human heart can cause fibrillation and possible stoppage. However, the average human body has quite a bit of resistance to electricity flowing thru it. Therefore, it would take a lot more then 1/10th amp going in to get that across the heart.

    The main danger factor though is the type of electricity. When shocked with DC current you can and will quickly move away from the shock (ever been zapped by a spark plug?). AC current on the other hand causes you to adhere to the shock due to the nature of alternating current. Instead of your muscles pushing you away as with DC, they fibrillate so you can’t move with AC.
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  20. Boomslangnz

    Boomslangnz Active Member SimAxe Beta Tester Gold Contributor

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    I have recently brought some 12v fans and servos & esc's. Been testing out wind simulation on a ard, why not just keep it simple by doing something similar? These fans blow hard, curtains other side of room were flapping about when I increased the speed