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3 phase motor FFB Steering Wheel

Discussion in 'DIY peripherals' started by DIYMaster, Nov 30, 2020.

  1. DIYMaster

    DIYMaster New Member

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    Hello all,
    I'm very excited to build my own FFB Steering Wheel, but unfortunately I'm not a programmer or electronics engineer. Instead, I work as a car mechanic.
    I am in possession of an Alfa Romeo power steering. it has everything (engine, gears etc.), I just need to buy an encoder and arduino. My problem is that the motor is 3 phase, I have already searched the entire internet and found no way to connect it. is there anyone here to help me? I present some illustrative photos.
    Additional elements are:
    - Arduino Leonardo
    - Encoder
    - H bridge?
    - Power Supply eacb378842e282997738e665b99c.jpg image0.jpeg image2.jpeg image3.jpeg image4.jpeg
  2. Ads Master

    Ads Master

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  3. Gadget999

    Gadget999 Well-Known Member

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    is it a brushed motor ?

    where is the ground wire ?
  4. DIYMaster

    DIYMaster New Member

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    it is a stepper motor
    without a ground wire
  5. DIYMaster

    DIYMaster New Member

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    I guess I know the solution. there is a capacitor on this circuit. I need to run two of these phases through this capacitor? Do I understand it correctly
    image1.jpeg
  6. Gadget999

    Gadget999 Well-Known Member

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    Stepper motors are not suitable for a ffb wheel

    They are activated by pulses, you need a dc motor or a servo motor
  7. Shadow Nightmares

    Shadow Nightmares New Member

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    Indeed, steppers aren't used in most of the DD systems, but people already used them, in various degrees of success, and Gigawipf on YouTube keeps track of his dev. steps on the new OpenFFBoard project.