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Topic: High pitched noise in motors (Read 541 times) previous topic - next topic

Hi,

I'm running four Vex motors off of a Vex 7.2V battery (using the Vex battery expander).  I'm using the Servo class to control the motors (they behave like continuous rotation servos, so I'm suspecting that's what they are).  I notice that even when not moving they are emitting a relatively high pitched whine.  (They do move, though.)

Is this normal or should I be worried?

sec9major

I am having a similar problem with a pair of motors but they dont turn, they do alone though.

so maybe we need the same fix?

MarkT

It is likely just the PWM frequency you can hear.

Part numbers / datasheets?
[ I won't respond to messages, use the forum please ]

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