Is espruino_esp8266_user1.bin a file you build ?
espruino_esp8266_user1.bin
If Yes -I recommend to flash the official 4MB bin file from download.
@MaBe 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.
Is
espruino_esp8266_user1.bin
a file you build ?If Yes -I recommend to flash the official 4MB bin file from download.