Continuous Rotation Servo - Futaba S148

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This servo rotates fully forward or backwards instead of moving to a position. You can use any servo code, hardware or library to control these servos. Good for making simple moving robots. Comes with one horn only, as shown.

To control with an Arduino, we suggest connecting the white control wire to pin 9 or 10 and using the Servo library included with the Arduino IDE (see here for an example sketch). Position "0" (1.5ms pulse) is stop, "90" (2ms pulse) is full speed forward, "-90" (1ms pulse) is full speed backwards. They may require some simple calibration, simply tell the servo to 'stop' and then gently adjust the potentiometer in the recessed hole with a small screwdriver until the servo stops moving.

For more information, check out the Parallax Datasheet

You could also use Motor / Stepper / Servo Shield for Arduino kit - v1.0 to control this servo.

These are some application example using this type of servo.

  • Average Speed 60 rpm (5Vdc and NO load)
  • Height 38 mm (1.5 in)
  • Input Voltage 5 VDC (6VDC Max.)
  • Length 40.5 mm (1.6 in)
  • Torque 3.4 Kg-cm / 47 oz-in
  • Weight 45g (1.59oz)
  • Width 20 mm (0.79 in)

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