نمونه برنامه تست ماژول

‫#include // Library for I2C communication ‫
‫#include // Library for LCD ‫
‫// Wiring: SDA pin is connected to A4 and SCL pin to A5. ‫
‫// Connect to LCD via I2C, default address 0x27 (A0-A2 not jumpered) ‫
‫LiquidCrystal_I2C lcd = LiquidCrystal_I2C(0x27, 16, 2); /// Change to (0x27,20,4) for 20x4 LCD. ‫
‫void setup() { ‫
‫ // Initiate the LCD: ‫
‫ lcd.init(); ‫
‫ lcd.backlight(); /// turn the lcd backlight on/off ‫
‫} ‫
‫void loop() { ‫
‫ // Print 'Hello World!' on the first line of the LCD: ‫
‫ lcd.setCursor(2, 0); // Set the cursor on the third column and first row. ‫
‫ lcd.print("1602 LCD Display"); // Print the string "Hello World!" ‫
‫ lcd.setCursor(2, 1); //Set the cursor on the third column and the second row (counting starts at 0!). ‫
‫ lcd.print("2 Lines 16 Chars"); ‫
‫}