Hardware Firmware Flashing Instructions

1. Install Drivers
   1. CH340 serial chip driver: https://www.wch.cn/downloads/CH341SER_EXE.html
   2. CH343 serial chip driver: https://www.wch.cn/downloads/CH343SER_EXE.html
   3. Simply run the downloaded file after downloading
2. Download Flash Tool
   1. https://dl.espressif.com/public/flash_download_tool.zip
   2. Extract and run
   3. Usage Instructions:
   4. https://docs.espressif.com/projects/esp-test-tools/zh_CN/latest/esp32/production_stage/tools/flash_download_tool.html#id5
   5. In step 3 of the instructions, modify the COM port. Other settings remain unchanged.
3. Download Firmware
   1. https://github.com/jiandanzhineng/hardware/releases/latest
   2. 
   3. Download the firmware according to your device type (Download the firmware with "merged" in its name): DIANJI - electric motor, QIYA - air pressure sensor, TD01 - off-axis motor controller, QTZ - distance sensor
   4. Use the tool to flash the firmware to address 0x0 on the device