Jhd-2x16-i2c Proteus New! | iPhone Easy |

You need to use a specialized library within the Arduino IDE to communicate with the PCF8574 backpack. A common library is LiquidCrystal_I2C .

Open Proteus and pick these from the component library (Press P to search): jhd-2x16-i2c proteus

: You may need to download and install a specific LCD Library for Proteus if the default models don't meet your visual needs. 2. Circuit Connections You need to use a specialized library within