No, I wasn't using the flash library.
And also, the bootloader mode doesn't work.
I soldered a bluetooth module to my board, and it worked just fine.
But after a few hours the permanent reset occurred
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.
No, I wasn't using the flash library.
And also, the bootloader mode doesn't work.
I soldered a bluetooth module to my board, and it worked just fine.
But after a few hours the permanent reset occurred