CMU Micro Servo 4.8V,6V MG90-360 TowerPro Continuous Rotation Metal Gear

The CMU MG90-360 Micro Servo is a compact, high-performance continuous rotation servo designed for robotics, automation, and RC applications where precise positioning is not required, but smooth, controllable rotation in both directions is essential. Based on the trusted TowerPro MG90S platform, this version features 360 continuous rotation and full metal gears, delivering excellent durability and torque in a very small form factor.

Unlike standard 180 servos, the MG90-360 rotates continuously clockwise or counter-clockwise, with speed and direction controlled by the PWM signal. This makes it ideal for robot wheels, conveyor mechanisms, pan drives, and DIY motion systems.

Key Features

• Continuous 360 rotation in both directions
• Full metal gear train for strength, reliability, and long service life
• Compact micro-servo size with strong torque output
• Dual bearing support for smooth, stable rotation
• Compatible with Arduino, Raspberry Pi, RC receivers, and microcontrollers
• Supplied with a servo arm and mounting accessories

Technical Specifications

• Part Number: CMU MICRO SERVO 4.8V-6V MG90-360
• Model: TowerPro MG90 Continuous Rotation
• Operating Voltage: 4.8V - 6.0V DC
• Weight: 13.4g
• Dimensions: 22.8 × 12.2 × 28.5 mm
• Stall Torque:
  1.8 kg cm @ 4.8V
  2.2 kg cm @ 6.0V
• Operating Speed:
  0.10 sec / 60 @ 4.8V
  0.08 sec / 60 @ 6.0V
• Dead Band Width: 5 s
• Control Type: Analog PWM
• Gear Type: Metal
• Rotation Support: Dual bearings

How Continuous Rotation Works

• Neutral signal ( 1.5ms PWM): Servo stops
• Shorter pulse: Rotates in one direction (speed increases as pulse shortens)
• Longer pulse: Rotates in the opposite direction (speed increases as pulse lengthens)

This behavior makes the MG90-360 perfect for drive motors rather than angular positioning tasks.

Typical Applications

• Small robots and robotic cars
• Line-following and obstacle-avoidance robots
• Conveyor belts and feeders
• Pan/tilt systems requiring continuous motion
• DIY automation and mechatronics projects
• RC and educational robotics kits

Advantages

• Strong metal gears outperform plastic alternatives
• Small size fits tight mechanical designs
• Reliable operation over a wide voltage range
• Easy integration with common development platforms

The CMU MG90-360 Metal Gear Micro Servo is an excellent choice when you need compact size, continuous rotation, and dependable torque, making it a go-to solution for robotics, motion control, and advanced DIY projects.

What's in the box
1 x MG90-360 Micro Servo
1 x Servo arm set and mounting screws