Hello I'm a beginner using NRF51882, I do not have enough money to buy NDK51 Development or NRF Dongle, the solution I changed STLINK STM32 to JLINK by following tutorial on youtube www.youtube.com/watch and Development KIT BLE400 From waveshare, i tried all instances of program/example codes can not work except GPIO for example LED Blink or UART Communication, btw i'm using KEIL, -The question is whether to flashing softdevice must use JLINK Original from SEGGER? -Or should I use softdevice with certain version?
I hope friends can help, Thanks