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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.
barbiani
@Wilberforce
The esp32 build has a flash file system using 1mb of the 4mb inbuilt flash.
Support for external sd card has not be implemented. It could be supported however the flashfs implementation would need to be disabled.