MG90S Micro Servo Motor with Metal Gears

⚙️ MG90S Micro Servo Motor with Metal Gears
High-Torque Precision Servo for Robotics & DIY Projects
The MG90S Micro Servo Motor is a compact and reliable servo motor designed for robotics, RC models, animatronics, and embedded electronics projects. It features durable metal gears, which provide improved strength, higher torque, and longer lifespan compared to plastic gear servos.
With its lightweight design and precise angle control, the MG90S servo is widely used in robotic arms, robotic eyes, smart robot cars, and automation mechanisms.
 
⭐ Key Highlights
⚙ Metal Gear Mechanism
Strong brass metal gears provide high durability and better torque.
🎯 Precise Angle Control
Accurate positioning typically from 0° to 180° rotation.
📏 Compact Micro Size
Small form factor suitable for tight spaces in robotic systems.
⚡ Low Power Consumption
Works efficiently with standard microcontroller power systems.
🤖 Perfect for Robotics Applications
Ideal for robot arms, robotic eye mechanisms, and moving parts.
📊 Infographic – Core Features
 
⚙ Metal Gear Transmission
Unlike plastic gear servos, the MG90S includes metal gears, which offer:
• Higher strength and durability
• Better resistance to wear
• Increased torque capability
• Longer operational lifespan
 
🎯 Precision Position Control
The servo receives PWM (Pulse Width Modulation) signals from a microcontroller to control its angle.
Typical control characteristics:
• Rotation range: 0° – 180°
• High positional accuracy
• Smooth movement response
Compatible controllers include:
Arduino Uno Rev3
ESP32 Development Board
Raspberry Pi 4 Model B
 
🔌 3-Wire Control Interface
The MG90S servo uses a simple three-wire connection:
Wire Color
Function
Brown
Ground (GND)
Red
Power (4.8V–6V)
Orange/Yellow
PWM Control Signal
This makes it easy to integrate into most electronics projects.
 
⚙ Technical Specifications
Model: MG90S Micro Servo
Gear Type: Metal gears
Operating Voltage: 4.8V – 6V
Torque: ~2.2 kg/cm (at 6V)
Rotation Range: Approximately 180°
Control Method: PWM signal
Connector: Standard 3-pin servo connector
Weight: ~13 g
 
🧩 Package Contents
• MG90S Micro Servo Motor
• Servo horns (various shapes)
• Mounting screws and accessories
 
🤖 Applications
🤖 Robotics Projects
Used in robotic arms, walking robots, and robotic eye systems.
🚗 Smart Robot Cars
Controls steering and mechanical movements.
🎬 Animatronics
Creates realistic motion in robotic characters.
🎓 STEM & DIY Electronics
Great for learning servo motor control and automation.
 
🚀 Advantages
✔ Strong metal gear construction
✔ High torque for its compact size
✔ Precise and smooth movement
✔ Easy PWM control with microcontrollers
✔ Ideal for robotics and automation
 
💡 The MG90S Micro Servo Motor combines compact size, metal gear durability, and precise control—making it one of the most popular servos for robotics and DIY electronics projects.