gistfile1.txt

#include <WebUSB.h>
#include <LiquidCrystal.h>

LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

#define Serial WebSerial

const int redPin = 7;
const int greenPin = 6;
const int bluePin = 5;
String content = "";
int index;

void setup() {
  lcd.begin(16, 2);
  while (!Serial) {
    ;
  }
  Serial.begin(9600);
  Serial.write("Sketch begins.\r\n");
  index = 0;
}

void loop() {
  content = "";
  
  while (Serial && Serial.available()) {
    char ch = Serial.read();
    content.concat(ch);
  }

  if (content == "")
    return;
    
  Serial.println(content);

  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print(content.substring(0, 16));
  lcd.setCursor(0, 1);
  lcd.print(content.substring(16));
}