You need to go to settings communication and on the end of the list is Save and Send and select Direct to flash (execute code at boot)
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.
You need to go to settings communication and on the end of the list is Save and Send and select Direct to flash (execute code at boot)