To make your life easier, just get the official nRF52840 Dongle - it's only 10€ but has all GPIOs conveniently exposed. No need to repurpose the LED or the user

To make your life easier, just get the official nRF52840 Dongle - it's only 10€ but has all GPIOs conveniently exposed. No need to repurpose the LED or the user button for a GPIO. https://www.nordicsemi.com/Products/Development-hardware/nrf52840-dongle https://www.nordicsemi.com/Products/Development-hardware/nrf...