What is quadrocopter?

A quadrocopter, also known as a quadcopter, is a type of drone aircraft, comprising of four rotors positioned at an equal distance from the center of the vehicle. Each motor is independently controlled by a computer, allowing for advanced movement capabilities. Quadrocopters can be used for a variety of purposes, including aerial photography and videography, search and rescue operations, delivery services, and military applications. They are popular due to their stability and maneuverability, and can be controlled remotely using a mobile device, remote control unit, or computer. They are also relatively easy to build and repair, making them popular among hobbyists and DIY enthusiasts.