PX4 autopilot is a computer program that can help flying machines like drones, planes or other vehicles to move around in the air without a human controlling them all the time.
Think of it like a pilot who sits in the cockpit of an airplane, but instead of an actual human pilot, the autopilot takes over the controls and makes decisions about how to fly.
Now, imagine that the autopilot has superpowers. It has sensors to detect things like wind speed, height, distance, and even the position of the vehicle itself. It can make calculations based on all this information to adjust the vehicle's movements and keep it stable in the air.
One example of how this might work is if a drone is flying and a gust of wind pushes it to the left. The autopilot would detect the change in movement and would automatically adjust the drone's motors to keep it on its original path.
PX4 Autopilot is one of many autopilot software programs available today. It is used by many drone and aircraft manufacturers, and it is open-source, which means anyone can use, modify, and improve upon it.
Overall, PX4 Autopilot is a powerful tool that helps make flying machines safer and more efficient, allowing them to operate on their own without constant human intervention.