Add movement to any project — grippers, arms, steering, and more.
The SG90 is the classic 9-gram hobby servo used in millions of student projects worldwide. Four in a pack, because servos are like socks: you always need more than one, and one always goes missing.
Each servo includes
- SG90 9g micro servo (180° rotation)
- Three servo horns (arm, cross, disc) + mounting screws
- Standard 3-wire lead — works directly with the Arduino
Servo.h library, one line of code to sweep
Project ideas for the Arbot: robotic gripper claw, ultrasonic sensor pan-mount ("radar"), flag-waving victory signal, drawing arm. Powered straight from the Arduino 5V pin (one at a time) or a battery pack for multi-servo builds.
Specs: 4.8–6V | 1.8 kg/cm torque | 180° rotation | 9g each