Click to open TOC
To compile, you need to choose, in the Sketch menu, Verify / Compile
Choose, in the Sketch menu, Upload. It will compile and send to the board with the chosen method (serial / OTA)
Choose, in the Tools menu, the ESP8266 Sketch Data Upload option, which will package, and flash the files in the data directory (HTML files for the web interface)
In case you're debugging and have enabled (Tools > Debug port / Tools > Debug level) some kind of debugging output, you may use the Tools / Serial monitor to check the debug messages.
Please note that the serial port is intended to be attached to the inverter (or other application), so do not leave debug messages in normal operation.