please help me what the problem of my qaudocopter arduino uno can t fly .
see the png images of my arduino quad
Although Arduinos are the best thing since sliced bread, they have long been superseded as a flight controller. There’s plenty of cheap flight controllers now that can run Arducopter.
https://ardupilot.org/copter/docs/common-autopilots.html
Or you’ll have to research what other people did with Arduinos
https://create.arduino.cc/projecthub/search?q=quadcopter