Which ESP8266 board is it? If it's an ESP01 you might need to change the flash addresses as it has less flash available than the 4M boards
It's a 4m board. Also, as i said, it has already prooven to work (a number of times)
@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.
Which ESP8266 board is it? If it's an ESP01 you might need to change the flash addresses as it has less flash available than the 4M boards