USB Expansion Board Buzzer Status and Parameter Settings
I. Principle
The buzzer indicates the flight controller (FC) status through different sound patterns, including arming, disarming, battery failure, EKF failure, etc.
II. Equipment Preparation
1) Flight controller (FC): Any of the SpeedyBee F405 WING APP / SpeedyBee F405 WING MINI / CoreWing F405 WING V2 flight controllers and their expansion boards are applicable to this tutorial.
2) RC transmitter: RadioMaster Boxer is used as an example.
3) Ground control station (GCS): Mission Planner GCS.
III. Operation Steps
1. Buzzer Sound Indications
| Sound | Description |
|---|---|
| 3s long beep~ | Arming |
| Short beep | Arming failed |
| Short beep | Disarming |
| One short beep every 3s | Battery failure |
| Long beep Long beep Short beep Short beep | EKF failure |
| Two short beeps every 3s | Find model |
2. Setting Buzzer Find Model via RC Transmitter
Connect the flight controller (FC) to the ground control station (GCS).
Go to the Full Parameter List, search for RC8_OPTION (any switch channel can be set for buzzer find model), and set the value of RC8_OPTION to 30.
3. Setting Buzzer Volume
Connect the flight controller (FC) to the ground control station (GCS).
Go to the Full Parameter List, search for NTF_BUZZ_VOLUME, and modify the value to adjust the volume (set to 0 to disable buzzer sound output).
IV. Q&A
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