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Is it possible to get 2 PWM signals?

Discussion in 'Controller Boards' started by Arvid Hjort, Feb 11, 2022.

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  1. Arvid Hjort

    Arvid Hjort New
    Builder

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    Hi!

    So I just bought two Genuine Protoneer CNC Shield v3.51 and realized that might not be the correct Controller for my prototype. I'm controlling 3 steppers for motion in my robot and I also wanna control two servos. My understanding is that grbl 1.1 can control servos through M03/M05 commands but the shield I bought doesn't have any extra PWM signals expect perhaps for the spindle motor output.

    What controlled should I buy?

    Links and pics:

    Controller: Genuine Protoneer CNC Shield v3.51 for Arduino Engraver CNC GRBL 1.1

    Servos: SG90 Luxorparts SG90 Micro-servo - Arduino-tillbehör

    Robot MK14:
    Robot MK14 HIGH DEF.png
    273058516_332076952217882_7412308870336219142_n.jpg 273059033_4747112832009136_4878451371205208740_n.jpg 272965757_927776111436179_8102448332290133273_n.jpg 272890407_652964655849398_8579149459037854028_n.jpg
     

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    #1 Arvid Hjort, Feb 11, 2022
  2. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
    Staff Member Moderator Builder Resident Builder

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    Grbl doesn't have that built in, but, since this not really a CNC, you don't need Grbl?

    Create your own Arduino firmware - you can use AccelStepper: AccelStepper library for Arduino for the three steppers and Servo - Arduino Reference for the two servos
     
    #2 Peter Van Der Walt, Feb 11, 2022
    Arvid Hjort likes this.

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