SG92R micro servo in blue housing with three black servo horns and mounting screws

SG92R Micro Servo 9g | Carbon Fibre Gears, 90° Travel | Arduino RC

$4.99 NZD
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SG92R micro servo in blue housing with three black servo horns and mounting screws
  • SG92R micro servo in blue housing with three black servo horns and mounting screws
  • Comparison chart of the SG90 and SG92R 90-180 degree micro servos covering gears, torque, durability and precision
  • SG92R servo kit breakdown showing the servo, three horn arms, mounting screws and the 3-pin connector
  • SG92R servo wiring diagram: brown negative supply, red positive supply, orange PWM signal
  • SG92R micro servo size dimensions in millimetres with servo horn arm measurements
SG92R Micro Servo 9g | Carbon Fibre Gears, 90° Travel | Arduino RC
SKU: SRV-SG92R-9G-90

SG92R Micro Servo 9g | Carbon Fibre Gears, 90° Travel | Arduino RC

$4.99 NZD
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The SG92R is a 9.2 g positional servo for robot arms, steering, pan and tilt rigs, and other small mechanisms. It shares the SG90's body, mounting holes and 3-wire connection, but uses carbon-fibre reinforced nylon gears and produces about 2.2 to 2.5 kgf·cm of stall torque at 4.8 V. Its useful travel is a 90° arc, controlled with the Arduino Servo library.

Specifications

SG92R: Reinforced positional servo

Choose the SG92R when a small mechanism needs the SG90 footprint with reinforced gears and more torque. It holds a commanded position across a 90° arc.

SG90: Standard plastic-gear servo

The SG90 suits lighter or occasional work and is available in 90°, 180° and 360° versions. View the SG90 options.

MG90S: Metal-gear servo

Choose the MG90S when your project specifically requires metal gears. It is available in 180° positional and 360° continuous versions. View the MG90S options.

Technical details
ModelSG92R micro servo
Servo typePositional
Travel90° total
Operating voltage4.8 to 6 V DC
Control signal50 Hz pulse-width modulation, 3-wire
Connector3-pin JR / Futaba style
Arduino command rangeUsually write(90) to write(180)
SpeedAbout 0.1 s per 60°
Stall torqueAbout 2.2 to 2.5 kgf·cm at 4.8 V
Gear materialCarbon-fibre reinforced nylon, not metal
Body size23.0 × 12.0 × 22.8 mm
Mounting span32.2 mm across the tabs
WeightAbout 9.2 g
Wire coloursBrown GND, red V+, orange signal
Lead lengthAbout 25 cm

What's in the box

1×
SG92R micro servo

Includes 3 servo horn arms and mounting screws.

Great for

Robot arms and grippers

Position small linkages with more torque than the standard SG90.

Pan and tilt rigs

Control a camera or sensor through a short repeatable arc.

Steering and control surfaces

Use the reinforced gear train in small RC and mobile projects.

Walking robots

Drive compact joints where plastic SG90 gears wear too quickly.

Latches and levers

Hold a repeatable position without continuous rotation.

Arduino and STEM projects

Build compact mechanisms with standard servo control.

Wiring & getting started

  1. Connect the 3 wires

    Brown goes to GND, red to a regulated 4.8 to 6 V supply, and orange to the controller's signal pin.

  2. Share the ground

    If the servo has a separate supply, connect its ground to the Arduino, ESP32 or receiver ground.

  3. Start inside the useful range

    Use write(90) to write(180) as the starting range. Test the end points without a load and stop if the servo buzzes against a mechanical limit.

  4. Fit the horn after testing

    Move the servo near the middle of its useful range before attaching the horn, then check that the linkage can travel without binding.

  5. Allow enough current

    One unloaded servo can be tested from a development board's 5 V pin. For a loaded servo or several servos, use a separate regulated supply with a common ground.

Frequently Asked Questions

Answers to the questions buyers ask most.

What is the difference between the SG92R and SG90?
They share the same body, mounting pattern and 3-wire connection. The SG92R uses carbon-fibre reinforced nylon gears and produces about 2.2 to 2.5 kgf·cm of stall torque at 4.8 V. It is a 90° positional servo.
Can I use the SG92R with Arduino?
Yes. Use the built-in Servo library, with brown to GND, red to 4.8 to 6 V, and orange to a signal pin. Start with write(90) to write(180) as the useful control range.
How far does the SG92R turn?
It covers a 90° arc and holds a commanded position. Test the end points without a load because the mechanical limits can vary slightly between units.
Does the SG92R have metal gears?
No. Its gears are carbon-fibre reinforced nylon. Choose an MG90S if your project specifically requires metal gears.
Can I power it from an Arduino 5 V pin?
One unloaded servo is suitable for a bench test. For a loaded servo or several servos, use a separate regulated 4.8 to 6 V supply and connect its ground to the controller ground.
What is included?
One SG92R micro servo, 3 servo horn arms and mounting screws.

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