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How to get different OUTPUT voltages in ARM micro?

Discussion in 'Microcontrollers, Programming and IoT' started by Bruce McC, Nov 30, 2016.

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  1. Bruce McC

    Bruce McC

    Nov 30, 2016
    Hey buddies,what's up?!

    I'm using an ARM cortex M0 micro called FRDM-KL25Z (what a funky name! I knew that! :) ) . I'd like to run a simple motor at different speeds. How can I get different OUTPUT voltages to operate this armature ?

    Do I need any extra component which generates altering DC voltages? if so what is this device called?

    tnx guys
  2. Harald Kapp

    Harald Kapp Moderator Moderator

    Nov 17, 2011
  3. Bruce McC

    Bruce McC

    Nov 30, 2016
    It's a small DC motor(like an Armature). It is supposed to get connected to an ARM micro-controller and automatically change its speed. Actually I'd like to know how I can get altering OUTPUT voltages in this microcontroller. Should I use any special device which generates different voltages or does the ARM micorcontroller in the question "FRDM-KL25Z " have the ability to generate different output voltage?
  4. Bluejets


    Oct 5, 2014
    You already have your answer from #2.
  5. BobK


    Jan 5, 2010
    You do not control a motor with varying voltage and a micro cannot output enough power to run a motor directly.

    Look up "PWM". Look up "motor driver".

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