Detail apm2.5 / 2.6 / 2.8 active buzzer 5V alarm 5 volt
Such as the use Cleanflight applicable Naze32 flight control firmware, plug and play. The buzzer can emit different sounds according to their own state, in order to prompt the operator to ensure flight safety.
The buzzer can occur under the following circumstances:
Low power consumption (when open battery detection function) Unlock / lock Sensor calibration is complete Position for after the crash, determining aircraft - TX-AUX operation of the alarm failsafe alarm Flight mode shift