![]() Lcd.setCursor (0,1) // go to start of 2nd lineĪfter a few moments the LCD will be initialised and start to display our URL and the value for millis, then blink the backlight off and on. Lcd.begin (16,2) // for 16 x 2 LCD module ![]() LiquidCrystal_I2C lcd(0x27,2,1,0,4,5,6,7) // 0x27 is the I2C bus address for an unmodified backpack GNU General Public License, version 3 (GPL-3.0) */ * Demonstration sketch for PCF8574T I2C LCD Backpack Uses library from. To test the module we have a demonstration sketch prepared, simply copy and upload the following sketch: Now restart the Arduino IDE if it was already running - or open it now. zip file will reveal a new "LiquidCrystal" folder - copy this into your Arduino libraries folder. Next, visit and download the latest file, currently we're using v1.2.1. ![]() If you're not sure where your library folder can be found - it's usually in your sketchbook folder, whose location can usually be found in the Arduino IDE preferences menu. First of all, rename the "LiquidCrystal" library folder in your Arduino libraries folder. The next step is to download and install the Arduino I2C LCD library for use with the backpack. ![]()
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