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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
As for SWD, if you have Raspberry Pico then you can make it very easily into SWD debugger by just uploading picoprobe uf2 file and then connect 3 wires (gnd,swdclk,swdio) and use openocd on Windows or Linux. Also bigger Pi works alone with its GPIO but may need a bit more tweaking to get working.