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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
Can be that when connected to mac the console was redirected to usb-serial so that could explain 'no response from the board'. when just power is attached the console is not on usb.
When attached to mac you can try web serial connection in webide instead of bluetooth.