#include <SPI.h>
#include <LoRa.h>

String gui;

void setup() {
  Serial.begin(9600);
  while (!Serial);

  Serial.println("LoRa Sender");

  if (!LoRa.begin(433E6)) {
    Serial.println("Starting LoRa failed!");
    while (1);
  }

  LoRa.setSpreadingFactor(10);
  LoRa.setSignalBandwidth(12345);
  LoRa.crc();

}

void loop() {
  if(Serial.available())
  {
    gui = Serial.readString();
    // send packet
    LoRa.beginPacket();
    LoRa.print(gui);
    LoRa.endPacket();
  }
  delay(500);
}