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Tower Pro MG90S Servo Motor with Metal Gear

SKU: 08PPRIV0Q4
★★★★ ★ ★
4.1 (140 reviews)
The Tower Pro MG90S Servo Motor with Metal Gear is a compact and lightweight micro servo motor designed for applications requiring precise angular position control, good torque, fast response, and improved gear durability. Its metal gear train provides greater mechanical strength and resistance to gear wear compared with similar micro servos that use plastic gears. The MG90S is controlled using...
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The Tower Pro MG90S Servo Motor with Metal Gear is a compact and lightweight micro servo motor designed for applications requiring precise angular position control, good torque, fast response, and improved gear durability. Its metal gear train provides greater mechanical strength and resistance to gear wear compared with similar micro servos that use plastic gears.

The MG90S is controlled using a standard servo control signal, allowing the output shaft position to be adjusted to a desired angle. Common versions provide approximately 180° of controlled angular movement, making the servo suitable for robotic arms, grippers, steering mechanisms, pan-and-tilt systems, RC models, sensor scanners, and other small positioning applications.

Despite its compact size, the MG90S provides a stall torque of approximately 1.8 kg·cm at 4.8V and 2.2 kg·cm at higher rated supply voltage, while maintaining fast movement speed. The official manufacturer specification lists a weight of approximately 13.4g and dimensions of approximately 22.8 × 12.2 × 28.5mm.

The servo uses a simple 3-wire connection for power, ground, and control signal. It can be controlled by Arduino, ESP32, STM32, Raspberry Pi Pico, RP2040, PIC, AVR, dedicated servo controllers, and standard RC receivers.

Key Features

  • Compact micro servo motor
  • Durable metal gear transmission
  • Suitable for precise angular positioning
  • Approximately 180° controlled rotation on standard positional versions
  • Stall torque of approximately 1.8 kg·cm at 4.8V
  • Stall torque of approximately 2.2 kg·cm at higher rated voltage
  • Fast operating speed
  • Lightweight construction
  • Weight of approximately 13.4g
  • Standard 3-wire servo interface
  • Simple position control signal
  • Compact dimensions for space-constrained projects
  • Suitable for robotics and RC applications
  • Improved gear durability compared with plastic-gear micro servos
  • Includes servo horns and mounting hardware on common packages
  • Compatible with standard servo control libraries
  • Suitable for robotic joints and steering mechanisms
  • Easy integration with microcontrollers

Shipping & Returns

Orders placed before 3 PM IST will be shipped on the same day (excluding Sundays and Public holidays) through our shipping partners. In rare cases, the pickup may get delayed during Public holidays / Bandh / Environmental disturbances.

Specifications

Specifications:

Model: MG90S
Brand: Tower Pro
Motor Type: Micro Servo Motor
Control Type: Positional Servo Control
Gear Type: Metal Gear
Rotation Range: Approximately 180° on Standard Positional Versions
Operating Voltage: Commonly 4.8V to 6V DC
Stall Torque at 4.8V: Approximately 1.8 kg·cm
Stall Torque at Higher Rated Voltage: Approximately 2.2 kg·cm
Operating Speed at 4.8V: Approximately 0.10 sec/60°
Operating Speed at 6V: Approximately 0.08 sec/60°
Weight: Approximately 13.4g
Dimensions: Approximately 22.8 × 12.2 × 28.5mm
Operating Temperature Range: Approximately 0°C to 55°C
Dead Band Width: Approximately 1µs according to the official product specification
Cable Length: Approximately 25cm
Connector Type: Standard 3-Wire Servo Connector
Control Connection: Signal, VCC and GND
Mounting Type: Servo Mounting Tabs
Accessories: Servo Horns and Mounting Screws on Standard Packages
Compatibility: Arduino UNO, Nano, Mega, ESP32, STM32, Raspberry Pi Pico, RP2040, PIC, AVR, RC Receivers and Servo Controller Boards.

Additional Resources

Tower Pro MG90S.PDF

FAQ

1. What is the Tower Pro MG90S Servo Motor used for?

The MG90S is used for precise angular movement and positioning in robotic arms, grippers, RC models, steering mechanisms, sensor scanners, camera mounts, and automation projects.

2. What is the operating voltage of the MG90S Servo Motor?

The MG90S is commonly operated from approximately 4.8V to 6V DC. A suitable external power supply is recommended when the servo is operated under load or when multiple servos are used.

3. What is the stall torque of the MG90S Servo Motor?

The MG90S provides approximately 1.8 kg·cm stall torque at 4.8V and around 2.2 kg·cm at its higher rated supply voltage, according to official specifications.

4. Can the MG90S Servo Motor be used with Arduino and ESP32?

Yes. The MG90S can be controlled using Arduino, ESP32, STM32, Raspberry Pi Pico, RP2040, PIC, AVR, and other controllers capable of generating a suitable servo control signal.

5. What is the advantage of the MG90S metal gear system?

The metal gear train provides better mechanical strength and durability than typical plastic-gear micro servos, making the MG90S more suitable for applications involving repeated movement and moderate mechanical loads.