Strange behaviour of nRF5340 PDK with bluetooth/ipsp example

[NewUser5340]

Hi,

i am trying to run the bluetooth/ipsp example on the nrf5340 pdk. I am using the zephyr toolchain as described in the zephyr getting started guide. I followed this youtube video to build the bluetooth/peripheral example: https://www.youtube.com/watch?v=uqKxmsrP2Hc&t=210s.

This worked, but when I try to run the ipsp example in similar fashion, it only works right after flashing or when I run it in debug mode with SES. Whenever I try to reset the board or disconnect it from the PC and power it with an external power supply, the program doesn't run and I have to reconnect to the PC and recover the board.  

Kind regards

[Einar Thorsrud]

Hi,

This is unexpected. I suggest we continue in this thread, as the issues may have a common root cause.