The TowerPro SG90 is a compact, lightweight, and affordable micro servo motor designed for precise control in small-scale robotics, RC vehicles, and hobby projects. It offers smooth 180-degree rotation and is widely compatible with Arduino, Raspberry Pi, and other microcontroller platforms, making it ideal for beginners and DIY enthusiasts.
Technical Specifications
Core Specifications
Operating voltage: 4.8 V to 6 V DC
Stall torque: approximately 1.8 kg·cm at 4.8 V
Operating speed: ~0.12 sec/60° at 4.8 V
Rotation range: 0° to 180° (standard servo control)
Control signal: PWM (pulse width modulation), 3-pin interface
Electrical & Physical
Plastic gear train for lightweight, efficient operation
Standard 3-pin connector: Signal, VCC, GND
Servo dimensions approximately 22.8 mm × 12.0 mm × 28.5 mm
Weight around 9 g
Environmental
Operating temperature range: –10 °C to +60 °C
Reliable performance for small-scale robotics and hobby projects
Why Choose the TowerPro SG90
Compact size and lightweight design perfect for drones, robotic arms, and small mechanisms
Cost-effective micro servo with easy integration into Arduino and Raspberry Pi projects
Provides smooth motion and adequate torque for miniaturized applications
Critical Uses
Miniature robots and robotic arms
RC airplanes, helicopters, and cars
Pan-tilt camera systems
Educational and DIY hobby electronics projects
Pro Tips
Use an external power supply for multiple servos to prevent brownouts
Calibrate endpoints in software to avoid overdriving the servo
Avoid applying excessive mechanical load to extend lifespan
Package Includes
1 × TowerPro SG90 Mini Servo Motor