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Controlling 18 different items of the same 6V carbon brushed DC motor simultaneously - easiest solution?

Joel Sidler
Prodigy 10 points
Other Parts Discussed in Thread: DRV8912-Q1

Hi

I should be grateful if I could get some advice on how to control 18 different items of the same 6V carbon brushed DC motor simultaneously (e.g. the 1000:1 Micro Metal Gearmotor HPCB 6V from Pololu).

The special problem is this high number of motors that have to be controlled simultaneously. To have the job done by a lower amount of motors is not possible due to dimensional restrictions.

The commands should include forward, backward, stop, and idle speed.

One option would be to use an arduino nano.

Does anybody have some advice? I should be very grateful.

Joel

  • 0
    TI__Guru** 114905 points

    Hi Joel,

    Can you provide some additional information?

    What do you mean by simultaneous control?
    Will all 18 motors run at the same time? lf not, can you provide a list of how the motors will be run?
    Do you plan to PWM the inputs?
    Does stop mean the outputs are both low or hi-z?
    Does idle mean the outputs are both hi-z?

    We have devices like the DRV8912-Q1 that can be used to control multiple motors. Please see Figures 142 and 143 as examples.

    As we obtain more information, we may be able to suggest other devices that also work.