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9g Continuous Rotation Micro Servo

Product Code : RB-Fit-02

by FeeTech

 In stock

  • Micro 360 Continuous rotation analog servo
  • Operating Voltage: 4.8-6Volts
  • Plastic gears
  • Speed: 0.12sec/60degree

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About this product


  • Micro 360 Continuous rotation analog servo
  • Operating Voltage: 4.8-6Volts
  • Plastic gears
  • Speed: 0.12sec/60degree

The 9g Continuous Rotation Micro Servo is the most affordable continuous rotation servo on the market and includes three types of servo horns. Use it to make a mini 2WD robot without the need for a motor controller!

Version 2 updates:

  • Dead band expand from 10us to 90 us
  • Use SMD potentiometer


  • Operating Voltage: 4.8V - 6V
  • Free-run current  6V: 200mA
  • Stall current 6V 600mA
  • Speed (4.8V): 110RPM
  • Speed (6V): 130RPM
  • Stall torque (4.8V): 18oz-in / 1.3 kg-cm
  • Stall torque (6V): 21oz-in / 1.51 kg-cm
  • Connector Wire Lenght: 20cm
  • Required Pulse: 900us-2100us
  • Direction: CCW
  • Operating Angle: 360 degrees
  • Weight: 9g


• Size: 23.2 X 12.5 X 22.0 mm

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Reviews Summary

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Customer Reviews


Review by Fabio

Works as described

(Posted on 2/11/2018)


Review by Daniel

It works great

(Posted on 11/9/2017)

Good quality

Review by Tarek

Tiny enough for small project with small tight spaces

(Posted on 10/11/2017)

Work as described

Review by Étienne

It works great

(Posted on 8/2/2017)

Great servos

Review by Francisco

I purchased 4 for a new project and they work like a charm. Small but powerful and fast. Great value servos. You can see them working here: http://robotshop.com/letsmakerobots/britishtiny-tin-robot

(Posted on 5/10/2017)


Review by Lisa

I originally purchased these from Amazon, being a novice to the tech scene. When I received that order, they were not what I needed. I was directed to RobotShop.com by a more experienced tech person and was more than thankful. The RobotShop.com site helped me get exactly what I needed, and the shipment came very quickly. I will be using them again for future purchases.

(Posted on 2/8/2017)

Great stuff

Review by Joris

I dont have a lot op experience yet with servos but these ones plugged in and worked like a charm.
Does make some noise.

(Posted on 12/8/2015)

Exactly what I need for my projects

Review by William

This Continuous Rotation servo is so handy and strong ,too. No bother with reduction gears. It has the right rpm for my small robot vehicles and cranes.
Also the price is right.

(Posted on 11/16/2015)

New version is not as good.

Review by Eli

I bought a bunch of these servos about one year ago and they were great. Speed control needed some minor calibration, but that was expected. Hardware calibration was done with a flathead trimpot flush with the rear of the casing.

However, I recently ordered these same servos. Now, the trimpot has been moved far inside the servo housing, and is a phillips head. A small philips had to be inserted through a small hole in the casing to access the trimpot, which was mounted at an awkward angle within the motor. It was much more difficult to calibrate, and thus use, these servos.

Otherwise, the servos have good speed and torque, capable of driving a small robot. Wires are slightly weak and prone to breakage if appropriate strain-relief measures are not taken.

(Posted on 7/16/2015)

When 90 degrees isn't enough...

Review by Rick Winscot

I've modified a lot of servos for continuous rotation over the years... they make great motors for little robots. However, the process is time consuming and when you make a mistake, it's like blowing your nose in a five-dollar bill. Being able to buy them as continuous rotation servos is awesome - having a trim is even more awesome-er. Keep in mind that this servo is constructed with nylon gears, an abrupt stall may destroy the servo.

(Posted on 6/17/2015)

Good Product

Review by Ann

Great little servo for the price but 9 days for delivery!

(Posted on 5/27/2015)

Nice Servos

Review by Hamilton

Used these for a robotics and Arduino class with 5th through 8th graders. Didn't really have the time or financial leeway to go the motor controller route. All went well. I'm glad these exist, I'm glad I got em' and I will do it again.

(Posted on 8/21/2014)

Wish we'd known about this several months ago!

Review by Carol

We ordered some servos that we intended to hack for continuous rotation, and when the time came, they were not hackable :-( Seems like that happens a lot. You don't want that to happen at the last minute. These worked great. Thanks!

(Posted on 7/14/2014)

Nice but unstable

Review by Greg

Tiny and speedy, but impossible to get a steady stop position set, it drifts all over the place. I am going to have to add a relay to shut off power to the servo when I want a full stop out of it.

(Posted on 7/7/2014)

Great small servos at a good price

Review by Joseph

I purchased these servos to build an inexpensive robot. They work well. I used wooden wheels from a craft store and used double sided carpet tape to connect the wheels to the servo wheel.

(Posted on 6/4/2014)

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