Stepper motors too hot? Got a multimeter?

Home Forum Makelangelo Polargraph Art Robot Stepper motors too hot? Got a multimeter?

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  • #21802
    DanDan
    Keymaster

    Put the positive lead of the multimeter on the stepper driver dial.
    Put the negative lead on the bottom right pin.
    The voltage should be ~1.7. At that temp the motors won’t be cooking hot.
    Adjust the dial only when the power is off. Changing it while the power is on could damage the chip. Use very small turns – 5 or 10 degrees makes a big difference!
    1.5v-1.8v is a good range.

    #27631
    AvatarEdmondsLibrarian
    Participant

    Can I confirm- clockwise = increase; counterclockwise = decrease

    My stepper motors are extremely hot.
    DCV 2,000m shows 602 DCV 20 shows 0.60

    https://mcr.dozuki.com/Guide/Makelangelo+5+construction/3?lang=en
    Step 15 shows how to measure voltage which I think I followed

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