You are reading a single comment by @dave_irvine and its replies.
Click here to read the full conversation.
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.
@dave_irvine
So in your case, try
screen /dev/tty.usbserial-A9048H4B