serial_output_i2c_lcd.txt

/*  ___   ___  ___  _   _  ___   ___   ____ ___  ____  
 * / _ \ /___)/ _ \| | | |/ _ \ / _ \ / ___) _ \|    \ 
 *| |_| |___ | |_| | |_| | |_| | |_| ( (__| |_| | | | |
 * \___/(___/ \___/ \__  |\___/ \___(_)____)___/|_|_|_|
 *                  (____/    
 * www.osoyoo.com IC2 Liquid Crysal Testing program
 * program tutorial : http://osoyoo.com/?p=72
 *  Copyright John Yu
 */
   
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
 
LiquidCrystal_I2C lcd(0x3f,16,2);  // run ic2_scanner sketch and get the IC2 address, which is 0x3f in my case,it could be 0x3f in many cases
 
void setup()
{
  Serial.begin(9600);
  lcd.init();                      // initialize the lcd
  lcd.setCursor(0, 0);
    lcd.backlight();
   lcd.print("waiting input");   
}
 
void loop()
{
  String inData;
// set cursor to first line
  while(Serial.available() > 0) // Don't read unless
  {
   inData = Serial.readString(); // Read a String
lcd.setCursor(0, 1);
// Print a message to the LCD.
  lcd.print("                ");
  lcd.setCursor(0, 1);
  lcd.print(inData);
  inData=inData + " displayed!";
  Serial.print(inData);
  }

}