I am going to programme the nrf52840_pca10056 DK with Arduino IDE. I was folow this tutoriol https://how2electronics.com/nordic-nrf52840-advanced-bluetooth-5-arduino-ide/?fbclid=IwAR0Txe6b2Qeo1MNEZC-2t8M-h19RYPmzyV8JHGkZGuCh3IJTvS8bpD-q1bU#google_vignette , but it dosen't function .
I want to use Arduino IDE and try to reuse the arduino project source code. Can you help me with how to set up the development this developement Kit with arduino IDE?