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Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
@Wilberforce
Not sure about the serial console, @JumJum wrote this code. I don't know if all boards have flow control enabled.
Your other option is to use the telnet port 23 to send code up to the esp32, bypassing serial. In the web ide you can cannot via ip - not sure if the command line tools are set up for this.