If missing, install from Labcenter Electronics forum.
void setup() lcd.init(); lcd.backlight(); lcd.setCursor(0,0); lcd.print("Proteus Test"); lcd.setCursor(0,1); lcd.print("JHD-2x16-I2C"); jhd-2x16-i2c proteus
In Proteus, lcd.backlight() doesn’t visually change anything – the display is always “lit”. If missing, install from Labcenter Electronics forum