I guess from the port string you're on a Mac? Maybe it works differently to Linux..
Do you have something like /dev/cu.usbmodem00000000001A1? Could you try cating that?
/dev/cu.usbmodem00000000001A1
cat
@Gordon started
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.
I guess from the port string you're on a Mac? Maybe it works differently to Linux..
Do you have something like
/dev/cu.usbmodem00000000001A1
? Could you trycat
ing that?