SG92R Mini Servo Motor

SG92R Mini Servo Motor ( 90-180 Degree) delivers high-performance miniature actuation for a wide range of embedded electronics and robotics projects. This upgraded digital servo features robust carbon-fiber-reinforced POM gears that provide superior strength and durability compared to standard nylon alternatives. Consequently, it withstands rigorous physical stress in high-vibration environments. Furthermore, the lightweight 9-gram form factor ensures minimal payload addition for aerial models. Therefore, hobbyists and engineers frequently select this actuator for precision control tasks.

Key Features:

• Upgraded Drivetrain: Equipped with tough carbon fiber reinforced POM gears for enhanced longevity and impact resistance.
• Digital Circuitry: Provides faster response times, higher holding torque, and improved centering accuracy compared to analog variants.
• Compact Form Factor: Weighs only 9g, making it ideal for weight-sensitive applications.
• Wide Rotational Range: Supports precise positioning across a 180° sweep.
• Universal Compatibility: Features a standard JR-type connector that mates seamlessly with most receivers and microcontroller development boards.

Technical Specifications:

• Operating Voltage: 4.8V to 6.0V DC
• Stall Torque: 2.5 kg-cm at 4.8V
• Operating Speed: 0.10 sec / 60° at 4.8V
• Dead Band Width: 1 μs
• Control System: PWM (Pulse Width Modulation)
• Operating Frequency: 50 Hz

Mechanical Specifications:

• Gear Material: POM with Carbon Fiber
• Motor Type: Coreless motor
• Bearing Type: Plastic bushing
• Spline Count: 20 Teeth

Dimensions:

• Length: 23.0 mm
• Width: 12.2 mm
• Height: 29.0 mm
• Weight: 9.0 g
• Wire Length: ≈ 250 mm

Pinout and Wiring:

• Brown Wire: Ground (GND)
• Red Wire: Positive Power Supply (VCC, 4.8V to 6.0V)
• Orange Wire: PWM Control Signal input
• Note: However, ensure an external regulated power supply is used if driving multiple servos simultaneously from microcontrollers to prevent brownouts.

Datasheet Reference:

• Download TowerPro SG92R Datasheet

Commonly Used in:

• RC Models: Control surfaces for park flyer airplanes, gliders, and 3D stunt models.
• Robotics: Actuation for compact robotic arms, pan-tilt camera platforms, and biped walkers.
• Automation: Small-scale gate locks, automated valves, and diversion flaps.

Applications:

• Aero-modeling: Adjusting control flaps and rudder angles dynamically during flight.
• STEM Education: Teaching students the fundamentals of PWM signal generation and angular position control.
• Interactive Art: Moving mechanical elements within animatronics and display installations.

Equivalent Models:

• SG90: The standard nylon-gear predecessor with identical dimensions but lower structural durability.
• MG90S: A metal-gear alternative offering higher torque endurance under heavy mechanical loads.
• FT90R: A continuous rotation variant designed for wheeled robot drive systems.

Package Includes:

• 1 x SG92R Mini Servo Motor
• 3 x Assorted Servo Horns / Arms
• 1 x Mounting Hardware Set (Screws)