what board are you trying to connect to? looks like it's not an official Espruino board? (or if it is, you might be connecting to the wrong port).
If it's an ESP8266/32 which seems likely, have you changed the baud rate to match? Either way - please ask on the section of the forum specifically for other boards - most likely they'll be able to help out much better.
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.
what board are you trying to connect to? looks like it's not an official Espruino board? (or if it is, you might be connecting to the wrong port).
If it's an ESP8266/32 which seems likely, have you changed the baud rate to match? Either way - please ask on the section of the forum specifically for other boards - most likely they'll be able to help out much better.