Chat here about code rewrites, mods, etc... with respect to the github project https://github.com/esp8266/Arduino

Moderator: igrr

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By rudy
#78945
internal flash ( i can use it with other devices using another pins as SS ) and another one on pins 12,13,14,15.


Honestly I don't know enough about it. I did think that a SD card in 4 bit mode might work (what I was interested in) but the information I read about it eliminated that possibility. https://github.com/esp8266/Arduino/issues/4298

Do some searches on HSPI and see what you find.