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Hall effect potentiometer diy

Discussion in '3D Printing' started by MarcoMade, Mar 14, 2019.

  1. MarcoMade

    MarcoMade Active Member

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    My Motion Simulator:
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    you can print these in 3D and even modify them as you like to adapt them to your needs
    https://www.thingiverse.com/thing:2862716

    allegro 1302 hall chip
    to fix the 1302, all you need is a strip of multi-hole pcb

    an example from my station
    https://photos.app.goo.gl/FAnFN38YyL4Ym6Yr5
    Marco
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    Last edited: Mar 14, 2019
  2. Ads Master

    Ads Master

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  3. ghidossi

    ghidossi Member

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  4. mrbeginner

    mrbeginner Active Member

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    Hi!
    Thank you. I was wonder if it possible to use this kind of system in my own project and now i have good position to start!
  5. MarcoMade

    MarcoMade Active Member

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    sure, you can adapt to any gear motor system
  6. Qlittles

    Qlittles Active Member

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    hi, does this solution provide the absolute position of the motor? also, it seems like you have to attach a magnet to the motor - is this correct?
  7. MarcoMade

    MarcoMade Active Member

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    My Motion Simulator:
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    hello NO to the motor no magnet must be inserted. there are only two magnets surrounding the Hall sensor. it then returns a voltage value in relation to the position of the measured magnetic field.
    it does not reach the 5vdc output due to losses in the semiconductors, but it is sufficient to then calibrate the movement system in its 180 * of rotation.
  8. MarcoMade

    MarcoMade Active Member

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    My Motion Simulator:
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    besides I add that my design, has the possibility to be adjusted in the desired position through the rotation of the cube that contains the two magnets and then fix them with two screws in the desired position. a kind of fine tuning of the position of the rig

    in edit:
    I add some photos just taken. after more than a year that is not even looked at by how well it works.
    as you can see from the photos, you have to build the adapters to connect the potentiometer to your motor, and my motors are out of the standard used by almost everyone. so for the support you have to arrange to build it yourself.
    I hope I made you light.
    live in peace,
    Marco
    Last edited: Jan 26, 2020
  9. MarcoMade

    MarcoMade Active Member

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    IMG_20200126_100302.png IMG_20200126_100343.png IMG_20200126_100356.png IMG_20200126_100413.png the HAll sensor is then inserted into the hole until it reaches the magnets, you can help build the support with a breadboard and screw on the bearing base
    Last edited: Jan 26, 2020
  10. MarcoMade

    MarcoMade Active Member

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    IMG_20200126_102338.png IMG_20200126_102344.png IMG_20200126_102355.png IMG_20200126_102404.png Hall sensors are A1302

    ahha :)
    I forgot .. the third dof. built 6 months ago ..
    I used a common wiper motor to pull the belts.
    here you can see better how to install from the attached photos.
    Hello
    Last edited: Jan 26, 2020
  11. Qlittles

    Qlittles Active Member

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    Sounds good! Thank you for the response and the photos - I think I understand now how to use your 3d print design.