Feetech fs90 mini servo 120 operating speed 0 12sec 60 feetech fs90 the b fs90 b is an analog micro servo that has 120 of rotation the servo is ideal for the beginning roboticist and is perfect for use with the motor shield for b arduino b the servo can be controlled using any servo code hardware or library and to control with an arduino simply connect the orange control wire to pin 9 or 10 and use the servo library included with the arduino ide feetech fs90 mini servo 120 9g