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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.
@user64299
After going through samples, I found that ESPRuino needs SD card to store the files. I remember either with smart.js or NodeMCU Lua firmware, I was able to have file, that can be listed, including init.lua without SD card.
Any pointer to store files without SD card would be great, I have no experience in hardware to connect SD card.