How to read flight data (black box files)

I. Principle

The blackbox records detailed aircraft data such as sensor readings, flight controller inputs, PID adjustments, throttle changes, etc., which can be used to analyze flight status, optimize parameters, or troubleshoot anomalies. The flight controller automatically generates LOG files after each arming.

II. Equipment Preparation

1) Flight Controller: Any of the following flight controllers are compatible with this tutorial: SpeedyBee F405 WING APP / SpeedyBee F405 WING MINI / CoreWing F405 WING V2.
2) MicroSD Card: Recommended 16GB or less (including 16GB), FAT32 format. The Speedybee 8GB Class10 high-speed card is recommended.
3) Ground Control Station Software: INAV GCS.
4) Computer

III. Detailed Steps

Step 1: Prepare the MicroSD Card

1. Use a 16GB or smaller FAT32 formatted SD card to ensure compatibility. The Speedybee 8GB Class10 high-speed card is recommended.
   
2. If not in FAT32 format, please format it to FAT32 first.
   
   Step 2: Insert the SD Card
3. Insert the SD card into the flight controller's SD card slot, ensuring it's properly inserted and recognized.
   
   
   Step 3: Enable Blackbox Recording
4. Connect the flight controller to the ground control station.
5. Go to the "Blackbox" page and select SD card recording mode.
6. Save settings and restart the flight controller to ensure the blackbox function takes effect.
   
   Step 4: Retrieve Blackbox Data
7. Perform flight missions, the blackbox will automatically record a log (LOG file) after each arming.
8. Read the blackbox data:

• Connect the flight controller to the computer, type CLI 命令行输入 MSC and press Enter.
  
• The flight controller will automatically restart and be recognized as a USB drive.
• Open U 盘 → 进入 LOGS 文件夹 to see the blackbox data files recorded by the flight controller.
  

IV. Q&A

Q: Cannot open Blackbox page / SD card cannot be read
A:
1. Enter CLI command line and input the following command:

set blackbox_device = SDCARD
save

• This command will force the use of the SD card as the blackbox storage device.
  2. Replace with a more stable SD card:
• Avoid using low-quality SD cards, it is recommended to use the SpeedyBee 8GB Class 10 high-speed card.

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