In fact there is not only soft device but also bootloader and matching UICR registers included so everything important gets overwritten. You can flash it to completely empty device and it will work.
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.
In fact there is not only soft device but also bootloader and matching UICR registers included so everything important gets overwritten. You can flash it to completely empty device and it will work.