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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.
@Gordon
As @fanoush says really... Also you could try without
'default_console_baudrate' : "38400",and just use 9600 as a start because that's what Espruino usually defaults to (including the IDE).... so it could be that it's all working and the IDE's baud rate is wrong?
Once connected by Bluetooth you could do
Serial1.println("Hello")andSerial1.on("data",print)to check out if RX/TX is working separately