Whenever you buy a servo, it usually comes with a little baggie full of various plastic horns. Most of us pick our favorite and use it in our projects. Some of us hack them up, glue them back ...

It is a fully Arduino based RC plane.Flight controller ... There was also an MPU6050 gyro and accelerometer sensor installed on the plane for PID control, self-balancing the airplane in strong winds.

Whenever you buy a servo, it usually comes with a little baggie full of various plastic horns. Most of us pick our favorite and use it in our projects. Some of us hack them up, glue them back ...