I hope, as a non-EE, I'm clear with my challenge ...
My student EE designed a small PCB with a couple of sensors (CO2, temp/humid, microphone) with an nRF52811. The boards were printed and assembled in China. We subsequently learned that the microprocessors soldered in place were not pre-programmed; therefore, our USB computer connection isn't recognizing the procssor/board. The solder points are under the chip.
Our board doesn't have any specific pads to use for programming.
Can anyone suggest what we might try to get our boards connected to our desktop for programming?
Thank you!
Kevin Jablonski