Program

1. Download NRF52 SDK 16.0 link
2. Clone repo
3. Fix path to sdk in Makefile: SDK_ROOT := .. PROJ_DIR := .
4. Configure Device (Enable/Disable "Low Bat sleep", relevant when powering the board from SWD): make sdk_config
5. Flash Softdevice make flash_softdevice
6. Flash App make flash
7. Bootloader and Firmware validation

• cd DFU/bootloader
• make batch

For security reasons, generate a new private/public key in the DFU folder

• cd DFU/bootloader
• nrfutil keys generate private_key.pem
• nrfutil keys display --format code --out_file "public_key.c" --key pk private_key.pem