Could you implement software according file in the attachment?
I have nRF52-DK board and all developments boards with sensors and OLED display to test it.
I aslo have logic analyzer which can be connected to implement and and debug frimware.
I will give you access to my PC with all software which you need and campe to show how it is work (OLED display and LED1 for example).
How much time do you need and how much does will be cost?