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Hall Effect Potentiometer (position sensor)

Discussion in 'DIY Motion Simulator Projects' started by andyw, Apr 25, 2018.

  1. andyw

    andyw Work in Process! Always.

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    After broken a few 240 degree mechanical potentiometers, I'm thinking about retrofiting my seat mover with homebrew continuous rotation hall effect pots. It allows a drive motor continuously rotating in one direction without breaking anything.

    I found this A1301 hall effect IC with 0~5 V output @$3. Has anybody use this chip in similar application?

    Attached Files:

    • Like Like x 1
    andyw, Apr 25, 2018
    #1
  2. MarcoMade

    MarcoMade Active Member

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    Io e funzionano bene x 180*.

    Me and they work well x 180 *.
    MarcoMade, Apr 29, 2018
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  3. andyw

    andyw Work in Process! Always.

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    How linear they are?
    andyw, May 18, 2018
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  4. andyw

    andyw Work in Process! Always.

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    Would you mind to share a picture of your design?
    andyw, May 18, 2018
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  5. MarcoMade

    MarcoMade Active Member

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    [QUOTE = "andyw, post: 156308, membro: 29436"] Ti dispiacerebbe condividere un'immagine del tuo design? [/ QUOTE]
    hello andyw. the potentiometers built in this way are quite linear, the voltage across the hall sensor grows in a linear and non-logarithmic way, I've tried my big motors and they seem to work very well. I'm not a great expert on simulators, but I wanted to have one because I'm curious and try to build it as cheaply as possible. you can find the download link for a package where you can find several pieces that I designed and freely editable and print in 3d to adapt to your assembly needs.

    https://www.xsimulator.net/community/threads/my-wheel-plus-2dof-project.11796/#post-155380
    • Like Like x 1
    MarcoMade, May 18, 2018
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  6. MarcoMade

    MarcoMade Active Member

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    [QUOTE = "andyw, post: 156307, membro: 29436"] Quanto sono lineari? [/ QUOTE]Good
    Last edited: May 18, 2018
    MarcoMade, May 18, 2018
    #6
  7. MarcoMade

    MarcoMade Active Member

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    246849C9-5568-41B7-8BD9-2C63A3AE5B32.jpeg
    • Like Like x 1
    MarcoMade, May 18, 2018
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  8. andyw

    andyw Work in Process! Always.

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    Hi Marco, Thankyou for your information. I'm thinking about making my own version with wood as I haven't finish my 3D printer yet. Also my wiper motor doesn't allow me to attached a shaft to it to sense the rotation angle. Andy
    andyw, May 20, 2018
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  9. MarcoMade

    MarcoMade Active Member

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    Hi Andy, and good wood too, you can take some ideas to perfect your system. as you will have seen I use different engines than usual they have big 30mm shafts where you can weld drill anything. if it is interesting they are electric servo motors of opel corsa. use same motor for the steering wheel .. good job and post some pictures. Hello. Marco
    MarcoMade, May 20, 2018
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  10. andyw

    andyw Work in Process! Always.

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    andyw, May 21, 2018
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  11. andyw

    andyw Work in Process! Always.

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    upload_2018-5-21_14-47-29.png
    upload_2018-5-21_14-48-5.png

    Hi, Marco. This is my wooden version with scrap materials. Still work in process. Andy
    andyw, May 21, 2018
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  12. MarcoMade

    MarcoMade Active Member

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    great! more cumbersome than a 3d printed potentiometer, but surely you will make it work, at least practice with this system. now two magnets on opposite sides and you can try .. hello
    • Like Like x 1
    MarcoMade, May 21, 2018
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  13. andyw

    andyw Work in Process! Always.

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    I'll. Thanks.
    andyw, May 21, 2018
    #13