Micro Servo – SG90 (360 degrees)


Micro Servo – SG90 (360 degrees)


SKU: ROB-135 - Mfg Part Number: SG90C


This factory modified version of the extremely common SG90 servo is a very basic continuous rotation servo. The servo offers an inexpensive and easy to control method of getting your small turret spinning or miniature robot moving. This servo can work with both 5 V and 3.3 V servo signals and has a standard servo connector.

The servo can be controlled using a direct connection to a single microcontroller I/O line without any additional electronics, which makes it a great miniature actuator for beginner robotics projects. Just drive it like a normal servo.

The default rest point is 1.5ms. Pulse widths above the rest point result in counter clockwise rotation, with speed increasing as the pulse width increases; pulse widths below the rest point result in clockwise rotation, with speed increasing as the pulse width decreases. Just note that field of adjustment is very narrow compared to more expensive Continuous Rotation servos like the FS90R.

The servo has a 10″ (250 mm) lead and includes additional servo horns and mounting hardware.


  • Dimensions: 23 x 12.3 x 23.4mm
  • Compatible with 5 and 3.3V servo signals
  • Weight: 9g
  • Lead length: 250mm / 10″

In stock (can be backordered)

SKU: ROB-135. Category: . Tag: .
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