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 p…

High pitched noise in motors

MarkT March 15, 2012, 12:15am 3

It is likely just the PWM frequency you can hear.

Part numbers / datasheets?