Characters not Appearing: Double-check the I2C address. If 0x27 doesn't work, try 0x3F.
// Set the I2C address (usually 0x27 or 0x3F) LiquidCrystal_I2C lcd(0x27, 16, 2); jhd2x16i2c proteus free
: A critical difference noted by users is the I2C address. In Proteus, the PCF8574 address is often , while real hardware typically uses Ease of Use Characters not Appearing: Double-check the I2C address
Once the library is installed, follow these steps to build your virtual circuit: the PCF8574 address is often
void loop()