Programmer does not detect nrf52840 dongle

[Ramtin R]

Hi,

I built the blinky app for the usb dongle nrf52840dongle_nrf52840

and managed to flash it with the programmer v3.04. and it was successful (the leds are blinking as programmed)

 

but now the programmer is not able to detect the dongle anymore and I cannot flash the device again.

What can I do to recover this?

Thanks,

Ramtin

[Ramtin R]

Found the reset button ;)

After pressing the button the dongle will be detected!

[Vidar Berg]

Good to hear that you found the solution. The Blinky example does not enable the USB interface, and that is why the dongle is not detectable while the app is running.