drone load release system

Drone payload release system, custom-built for my DJI F330 but also compatible with other types of drones. It works thanks to an SG90 9g servo motor. The base has 3mm holes, but they can easily be enlarged even after the job is finished to accommodate any type of bolt. The post's joint has a very generous hole to easily adapt to as many bolts as possible. The only precaution is to avoid overtightening it to avoid straining the servo motor and to use a screw with the smallest possible head. I