Please let me know if anyone know how to save and access any data file in spiffs file system of esp8266 programmatically .I want to save data in file present in spiffs FS . Data is coming on UART of esp8266. Please let me know how much bigger file size save in spiffs FS of ESP8266. I read lot of article on google that says it can not more then 512 KB size.
Also please let me know if any other way to hold data for some time.