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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.
@fanoush
well esp32 is not very power efficient when compared to nrf52, see e.g.
https://github.com/Xinyuan-LilyGO/TTGO_TWatch_Library/blob/master/docs/power.md
https://github.com/espressif/esp-idf/issues/947
so yes, great for ESP32 fan or if you don't care about battery life that much