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Eating Stepper Drivers


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Posted · Eating Stepper Drivers

My Ultimaker 1's latest trick is eating stepper drivers, just killed two this morning upon switching it on.

How makes the best replacement and i want ones that are pre soldered.

I would get the genuine ones but postage is mental to the UK and i need them asap.



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    Posted · Eating Stepper Drivers

    google "pololu" drivers in this forum like this, then after you choose a model number google that for pricing:

    So paste this into a google search:

    site:umforum.ultimaker.com pololu

    read about the 4988, 8825, and 4983 as a minimum. Also read about pololu "black" and "green".


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    Posted · Eating Stepper Drivers

    Hi George

    Thanks for the info, ordered the Pololu A4988 black.

    Realised i have a limit switch not working, would the stepper fail it the motor reached the motion limit but did not turn off?

    Just trying to work out a possible reason for the failure.


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