# erase
bash erase_all.sh -i swd0

# flash
bash flash.sh -i swd0 -f blinky_nrf52dongl_no_bootloader.hex 

# hex
- blinky_nrf52dongle_no_bootloader.hex is blinky without a bootloader 
- blinky_nrf52dongle_gpio_uart.hex is blinky with uart terminal on P0.13 and P0.15