See http://www.espruino.com/nRF52832DK
Fortunately it is a devboard and any real developer can build firmware for this one from the source ;-)
EDIT: and BTW you can flash old hex and then trigger dfu update and try mdbt42q zip over bluetooth, looks like the serial console is on same pins.
@fanoush 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.
See http://www.espruino.com/nRF52832DK
Fortunately it is a devboard and any real developer can build firmware for this one from the source ;-)
EDIT: and BTW you can flash old hex and then trigger dfu update and try mdbt42q zip over bluetooth, looks like the serial console is on same pins.