SG90 is a small servo motor with standard functionality and working. This servo motor rotates 180 degrees 90 degrees in each direction. Controlling this motor is not so much difficult like it does not require any motor controller and can be controlled by any servo code or library most suitable for beginners.
The motor comes with 3 arms and hardware. Being a digital servo motor it receives and processes the PWM signal.
Voltage supply: 3-7V</li>
no-load speed: 0.12 sec/60� @4.8V</li>
Working current: <500mA
Position control with feedback
DIY projects like an automatic door a humanoid robot
As for steering in toys
Towerpro SG90 Micro Servo Motor 9grms 180 Degree Rotating Motor - R224
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