Use Arduino ESP32 Sketch data Upload files,if you not install,download ESP32FS-vX.zip,Extract to <C:\Users\Your User Name\Documents\Arduino\tools>,Open Ardunio IDE, Tools -> ESP32 Sketch data Upload -> Upload
Web page view
Enter the IP address in your browser, or view the data at http://soil.local
Peripheral description
BOOT Button long press enter smartconfig mode,LED Fast blink