Ahh - yes, those two are for SWD (the programming connection for the nRF52) so if if you brick it somehow, it's still possible to reflash :)
@Gordon started
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.
Ahh - yes, those two are for SWD (the programming connection for the nRF52) so if if you brick it somehow, it's still possible to reflash :)