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Is it Save To Use Servos With Just An Arduino?

davidhaw

I have bad experiences with using a motor and frying my Arduino, so is it save to use servos with an Arduino with no diodes? If yes, why?

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  • Hi David,

     

    The servo should be fine. I'm assuming you are planning to power the servo from an external power source in which case you are just sending a control signal to the servo from the Arduino and this is just driving into the control circuitry of the servo itself.

     

    It might be interesting to work out why you are damaging your Arduino when using motors. How are you connecting up the motor? Are you putting in any protection to deal with back EMF when the motor is turned off?

     

    Best Regards,

     

    Rachael

  • in reply to rachaelp

    I forgot to use a diode. Didn't know if it was safe when I saw people using servos without a diode and just an Arduino.

     

    Thanks

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