Those characters look like the baud rate is wrong. Check you have 115200 as the default for ide is 9600
@Wilberforce 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.
Those characters look like the baud rate is wrong. Check you have 115200 as the default for ide is 9600