This Arduino sketch demonstrates how to use an I2C-enabled LCD display with an Arduino board. The LiquidCrystal_I2C library is used to control the LCD, and the sketch also includes a function to ...

Arduino library for the I2C LCD display, typical 20x4 characters. The library is inspired by the excellent New-LiquidCrystal library by F. Malpartida. Therefore the interface is kept quite identical, ...

Reference circuit diagram of an Arduino-compatible LCD backpack is shown below. What follows next is information on how to use one of these inexpensive backpacks to interface with a microcontroller in ...

MFRC522 rfid(SS_PIN, RST_PIN); LiquidCrystal_I2C lcd(0x27, 16, 2); In the above code, I am creating the objects for the RC522 RFID and the I2C LCD module for proper initialization purposes. Storing ...