Finding the perfect servo for robotics projects can be challenging—one that combines compact size with reliable power while avoiding the complexity of traditional motor control solutions. The MG90S metal gear servo emerges as an ideal solution, offering both ease of use and impressive performance in a remarkably small package.
This miniature servo stands out with several notable characteristics that make it suitable for both beginners and experienced robotics enthusiasts:
- Compact and lightweight: Weighing just 13.4 grams with dimensions of 22.8×12.2×28.5mm, the MG90S fits easily in space-constrained applications from micro-robots to RC aircraft and precision control systems.
- Durable metal gears: The metal gear construction significantly enhances durability and impact resistance, ensuring stable operation even under heavy loads.
- Precision control: With impressive accuracy and response times—0.10 seconds per 60 degrees at 4.8V and 0.08 seconds at 6.0V—the servo enables fine-tuned robotic movements.
- Strong holding torque: The servo maintains its position without signal input, preventing unwanted movement in robotic applications.
- Broad compatibility: Featuring a standard "S" type interface, it works with most common receivers including Futaba, JR, Hitec, and others.
- Complete accessory package: The servo comes with multiple servo arms and mounting hardware for immediate installation.
| Weight: | 13.4g |
|---|---|
| Dimensions: | 22.8×12.2×28.5mm |
| Stall torque: | 1.8kg/cm (4.8V); 2.2kg/cm (6.6V) |
| Operating speed: | 0.10 sec/60° (4.8V); 0.08 sec/60° (6.0V) |
| Voltage range: | 4.8V–6.6V |
| Temperature range: | 0°C–55°C |
| Deadband width: | 1μs |
| Wire length: | 25cm |
| Connector type: | JR (compatible with JR and Futaba) |
The MG90S servo works seamlessly with Arduino platforms:
- Connect the orange control wire to Arduino pin 9 or 10
- Use the built-in Servo library in Arduino IDE
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Position control ranges:
- 0 (1.5ms pulse) = center position
- 90 (~2ms pulse) = far right position
- -90 (~1ms pulse) = far left position
This versatile servo suits numerous robotics applications:
- Compact robotic arms for precise movement
- Smart vehicle steering mechanisms
- Camera gimbals for adjustable viewing angles
- RC aircraft control surfaces
The MG90S distinguishes itself through:
- High torque output relative to its size
- Exceptional durability from metal gear construction
- Simple integration with existing projects
- Competitive pricing for its performance class
To ensure optimal performance and longevity:
- Use appropriate power supplies within the specified voltage range
- Secure the servo properly to prevent vibration or movement
- Avoid prolonged stall conditions to prevent overheating