Flashing an ESP8266 with Espruino
Flashing an ESP8266 with Espruino by Kolban Technical Tutorials
httpv://www.youtube.com/watch?v=aJj4WJzAo4w
https://github.com/nodemcu/nodemcu-flasher
https://github.com/espruino/EspruinoBuilds/tree/master/ESP8266