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4c53dd1 Sep 11, 2014
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/*
Demonstration sketch for PCF8574T I2C LCD Backpack
http://tronixlabs.com/display/lcd/serial-i2c-backpack-for-hd44780-compatible-lcd-modules/
Uses library from https://bitbucket.org/fmalpartida/new-liquidcrystal/downloads
GNU General Public License, version 3 (GPL-3.0)
*/
#include <Wire.h>
#include <LCD.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,2,1,0,4,5,6,7); // 0x27 is the I2C bus address for an unmodified backpack
void setup()
{
// activate LCD module
lcd.begin (16,2); // for 16 x 2 LCD module
lcd.setBacklightPin(3,POSITIVE);
lcd.setBacklight(HIGH);
}
void loop()
{
lcd.home (); // set cursor to 0,0
lcd.print(" tronixlabs.com");
lcd.setCursor (0,1); // go to start of 2nd line
lcd.print(millis());
delay(1000);
lcd.setBacklight(LOW); // Backlight off
delay(250);
lcd.setBacklight(HIGH); // Backlight on
delay(1000);
}