Makelangelo 5 Servo Location

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  • This topic has 9 replies, 2 voices, and was last updated 9 years ago by Dan.
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  • 2017-07-16 at 21:50 #13494
    Anonymous
    Inactive

    Hello Makelangelo world.

    I am so close to finishing my Makelangelo 5 bot for my class. I am having trouble with my display (different model) to what Dan uses, and I dont know exactly where to plug the servo to lift the pen.

    If anyone can help with this let me know..

    cheers

    2017-07-17 at 14:00 #13501
    Dan
    Keymaster

    You’ll want the bottom right corner of EXP3 on a RUMBA board. note that the the ground and power wires have to be swapped. Putting power backward through a servo is bad news.

    2017-07-17 at 22:11 #13509
    Anonymous
    Inactive

    Thanks dan for that.

    So i have put the servo on the board
    see images attached.
    but i get no response.

    Hope this link works.
    am i doing it right.
    Cheers

    https://photos.app.goo.gl/0PALsOMkdZPB3BDu1

    2017-07-17 at 22:12 #13510
    Dan
    Keymaster

    turn the plug 180

    2017-07-18 at 22:34 #13522
    Anonymous
    Inactive

    Thanks i will give that a go.
    Cheers

    2017-07-19 at 18:00 #13526
    Anonymous
    Inactive

    No love,

    I have tried 3 different servos thinking maybe it was the servo that was busted.. 1 was clean out of the packet..

    How do i test it other then pressing pen up and down??

    cheers

    2017-07-19 at 19:32 #13527
    Anonymous
    Inactive

    all sorted,.. 🙂
    i had 4 servos and 3 were faulty.. even the new one lol
    whats the chances

    2017-07-20 at 11:24 #13532
    Dan
    Keymaster

    http://imgur.com/a/0BR5x this is how i do it.

    2017-07-23 at 20:09 #13591
    Anonymous
    Inactive

    My servo has the Jitters.. DOnt know why lol

    It works and moves in and out.. but it jitters for a bit..

    cheers

    2017-07-23 at 21:47 #13593
    Dan
    Keymaster

    could be poor quality servo, could have been fried by putting current through it the wrong way, could be noise from a bad RUMBA board, could be low power? That last one is unlikely.

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