Servo Motors

Servo Motors

Servo Motors

Servo Motors

What is a Servo Motor?

A servomotor is a closed-loop servomechanism that uses position feedback to control its motion and final position. The input to its control is a signal representing the position commanded for the output shaft.

Closed Loop System:

servo motors

The very simplest servomotors use position-only sensing via a potentiometer and bang-bang control of their motor; the motor always rotates at full speed (or is stopped). This type of servomotor is not widely used in industrial motion control, but it forms the basis of the simple and cheap servos used for radio-controlled models.

More sophisticated servo motors use optical rotary encoders to measure the speed of the output shaft and a variable-speed drive to control the motor speed. Both of these enhancements, usually in combination with a PID control, allow the servomotor to be brought to its commanded position more quickly and more precisely, with a lowered risk of overshoot.

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  • Adafruit Motor/Stepper/Servo Shield for Arduino v2 Kit - v2.3 Adafruit Motor/Stepper/Servo Shield for Arduino v2 Kit - v2.3

    Adafruit Motor/Stepper/Servo Shield for Arduino v2 Kit - v2.3

    AdaFruit

    £20.00
    Adafruit Motor/Stepper/Servo Shield for Arduino v2 Kit - v2.3 The original Adafruit Motorshield kit is one of our most beloved kits, which is why we decided to make something even better. This upgraded shield is one of the easiest ways to drive DC and...
    £20.00
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  • Servo Motor, Double Ball Bearing, High-Speed, 4.8V ~ 6V with Horns - SG5010 main Servo Motor, Double Ball Bearing, High-Speed, 4.8V ~ 6V with Horns - SG5010 main 1

    Servo Motor, Double Ball Bearing, High-Speed with Horns - SG5010

    Proto-PIC

    £8.00
    Servo Motor, Double Ball Bearing, High-Speed, 4.8V ~ 6V with Horns - SG5010 A high-torque standard servo that can rotate approximately 180 degrees (90 in each direction). You can use any servo code, hardware, or library to control these servos. Good for...
    £8.00
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  • 0J2142.1200__46620

    Power HD Standard Servo 3001HB

    Pololu

    £14.00
    The 3001HB is a great, general-purpose, low-cost standard analog servo from Power HD. Two ball bearings help reduce friction and improve performance. This servo is a replacement for—and upgrade over—the original HD-2360A servo. Servo horns...
    £14.00
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  • Power HD Standard Servo 6001HB

    Power HD Standard Servo 6001HB

    Pololu

    £14.80
    Power HD Standard Servo 6001HB The 6001HB is a low-cost, standard analog servo from Power HD that gives you plenty of torque without sacrificing speed. Two ball bearings help reduce friction and improve performance. This servo is a replacement...
    £14.80
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  • Power HD Micro Servo HD-1800A

    Power HD Micro Servo HD-1800A

    Pololu

    £9.00
    Power HD Micro Servo HD-1800A The HD-1800A analog servo from Power HD is a great general-purpose micro servo at a great price. Servo horns and associated hardware are included.Key specs at 6 V: 0.08 sec/60°, 18 oz-in (1.3 kg-cm),...
    £9.00
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  • Power HD Micro Servo HD-1900A

    Power HD Micro Servo HD-1900A

    Pololu

    £9.00
    Power HD Micro Servo HD-1900A The HD-1900A analog servo from Power HD is a great general-purpose micro servo at a great price. Servo horns and associated hardware are included.Key specs at 6 V: 0.08 sec/60°, 21 oz-in (1.5 kg-cm),...
    £9.00
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  • SpringRC SM-S4303R Continuous Rotation Servo

    SpringRC SM-S4303R Continuous Rotation Servo

    Pololu

    £16.00
    SpringRC SM-S4303R Continuous Rotation Servo The SM-S4303R is a standard-sized servo that has been built by SpringRC specifically for continuous rotation, making it an easy way to get your robot moving. It features two ball bearings on the output shaft...
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  • Servo - Small (Sub-Micro Size), 180° Servo - Small (Sub-Micro Size), 180°

    Servo - Small (Sub-Micro Size), 180-¦

    Sparkfun

    £10.00
    Servo - Small (Sub-Micro Size), 180° - SparkFun ROB-09065 Here is a simple, low-cost, high-quality servo for all your mechatronic needs. This servo is very similar in size and specifications to the Hitec HS-55. This little guy is able to take in 6...
    £10.00
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  • SparkFun ROB-09347 Servo - Full Rotation main SparkFun ROB-09347 Servo - Full Rotation dimension

    Servo - Full Rotation- SparkFun ROB-09347

    Sparkfun

    £14.50
    SparkFun ROB-09347 Servo - Full Rotation Here, for all your mechatronic needs, is a simple, high quality continuous full-rotation servo motor. This servo is able to take in 6 volts and deliver 66.7 oz-in. of maximum torque at 70 r/min.A standard 3-pin...
    £14.50
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  • Analogue 9 Gram Servo - Light Weight - 9G - 120 degree Rotation main Analogue 9 Gram Servo - Light Weight - 9G - 120 degree Rotation 1

    Analogue 9 Gram Servo - Light Weight - SG90 - 9G - 120 degree Rotation

    Proto-PIC

    £3.90
    Analogue 9 Gram Servo - Light Weight - 9G - 120 degree Rotation This is a nice inexpensive light weight analogue servo perfect for a variety of projects. We've used these for many fun build, including a recent arm waving cardboard model for an exhibition...
    £3.90
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  • PPPOL3438_main PPPOL3438_1

    Sub-Micro Servo FS0403-FB with Position Feedback

    Pololu

    £10.00
    FEETECH Sub-Micro Servo FS0403-FB with Position Feedback - Pololu 3438 This version of the FS0403 sub-micro servo from FEETECH is specially modified to provide access to the feedback potentiometer through a fourth (green) wire, allowing you to...
    £10.00
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  • FEETECH Mini Servo FT1117M-FB with Position Feedback - Pololu 3440

    FEETECH Mini Servo FT1117M-FB with Position Feedback

    Pololu

    £13.20
    FEETECH Mini Servo FT1117M-FB with Position Feedback - Pololu 3440 The mini servo FT1117M-FB from FEETECH features the same output spline as standard servos, making it compatible with standard-size servo horns. The pinion gear is plastic, but the rest of...
    £13.20
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