Fpv drone

# Source ESP-IDF environment
source ~/esp/esp-idf/export.sh

# Enter firmware directory
cd firmware

# Set target and configure Wi-Fi credentials
idf.py set-target esp32s3
idf.py menuconfig  # Navigate to "ZeoDevBoard Configuration" → set SSID and password

# Build
idf.py build

# Flash (use esptool.py directly if idf.py has port permission issues)
esptool.py --chip esp32s3 -p /dev/ttyACM0 -b 460800 \
  --before default_reset --after hard_reset write_flash \
  --flash_mode dio --flash_size 2MB --flash_freq 80m \
  0x0 build/bootloader/bootloader.bin \
  0x8000 build/partition_table/partition-table.bin \
  0x10000 build/zeodevboard.bin

# Monitor serial output (optional)
idf.py -p /dev/ttyACM0 monitor

cd plotter
python3 -m venv venv
./venv/bin/pip install -r requirements.txt
./venv/bin/python plotter.py

{"type":"imu","ts":1234,"ax":0.12,"ay":-0.05,"az":-9.81,"gx":1.2,"gy":-0.3,"gz":0.1}

{"type":"env","ts":1234,"temp":25.3,"hum":45.2,"press":1013.4}

demo_board/
├── firmware/
│   ├── CMakeLists.txt
│   ├── sdkconfig.defaults
│   └── main/
│       ├── CMakeLists.txt
│       ├── Kconfig.projbuild      # Wi-Fi SSID/password config
│       ├── main.c                 # App entry, FreeRTOS tasks
│       ├── wifi.c / wifi.h        # Wi-Fi STA connection
│       ├── sensors.c / sensors.h  # BME280 + LSM6DS3 I2C drivers
│       └── udp_sender.c / udp_sender.h  # UDP broadcast
├── plotter/
│   ├── plotter.py
│   └── requirements.txt
├── ZeoDevBoard.kicad_sch          # Root schematic
├── mcu.kicad_sch                  # MCU sheet
├── power_supply.kicad_sch         # Power supply sheet
├── sensors.kicad_sch              # Sensors sheet
├── ZeoDevBoard.kicad_pcb          # PCB layout
└── README.md