Dallas 1-Wire code: https://github.com/PaulStoffregen/OneWire
https://devzone.nordicsemi.com/f/nordic-q-a/8570/onewire-on-redbearlab-nrf51822
https://devzone.nordicsemi.com/f/nordic-q-a/29003/nrf51822-and-one-wire/114701#114701
https://learn.sparkfun.com/tutorials/sparkfun-pro-nrf52840-mini-hookup-guide/all#software-development-guides
