PX4
1. Setup using px4 and select preset firmware.
2. Setup Failsafe. To test failsafe, make sure the drone is armed and test.
2. a. Failsafe RC Loss steps:
2.a.1. Reduce throttle trim to reduce the pwm value under 975 pwm (check with mission planner for pwm value, the set preset value in QgroundControl (Failsafe_thr_, pwm value).
2.a.2. Make sure to armed the drone to test the RTL.
3. Failsafe RTL: Drone will first detect loss of rc signal. Then the flight mode change to HOLD. After few seconds, it will initiate RTL. The drone will follow RTL Failsafe altitude in RTL Failsafe. There are two phase in RTL, one is Return altitude, second is loiter altitude. Suppose the drone will comeback at Return Altitude, then loiter to second altitude then landing.
No cpu load information error
https://blog.csdn.net/Googollll/article/details/120609454
Reinstall qgroundcontrol together with its drivers.
