Help with Servo on Makelangleo 3.2

Home Forum Makelangelo Polargraph Art Robot Help with Servo on Makelangleo 3.2

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  • #21406
    Avatarjaymesdec
    Participant

    I can’t seem to get the pen servo to work on my brand new 3.2. I’m not sure that it is plugged into the correct place on the Rumba. Can someone tell me where it goes? I’ve searched google and I think maybe it goes on these pins? Rumba Servo pins?

    My 3.2 came with this servo: http://www.ee.ic.ac.uk/pcheung/teaching/DE1_EE/stores/sg90_datasheet.pdf

    Thank you!

    #21664
    DanDan
    Keymaster

    https://reprap.org/wiki/File:RRD-RUMBA.JPG

    In the bottom left corner there is a label that says “12v”. left of that is an triangle pointing down. the servo wire 3-pin connector should be connected one row down.

    View post on imgur.com

    Here’s another picture that shows it connected. Note that (a) the black wire is on the right and (b) the two pins under “12v” are NOT connected to the servo wire.

    On the other end of the cable…

    cable black -> servo red
    cable red -> servo brown
    cable white -> servo yellow

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