For this you need custom build with SD and file system support. It's not there as standard for ESP8266. Some info which may help in this recent thread http://forum.espruino.com/conversations/318384/
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.
For this you need custom build with SD and file system support. It's not there as standard for ESP8266. Some info which may help in this recent thread
http://forum.espruino.com/conversations/318384/