&uart0 { compatible = "nordic,nrf-uart"; status = "okay"; current-speed = <115200>; tx-pin = <6>; rx-pin = <8>; rts-pin = <5>; cts-pin = <7>; }; arduino_serial: &uart1 { status = "okay"; current-speed = <115200>; rx-pin = <33>; tx-pin = <34>; };