Jhd-2x16-i2c Proteus !!hot!! -
Check the I2C address in your code. Try 0x20 if using the standard Proteus PCF8574 model.
within your Proteus simulation. Run the simulation, open the Virtual Terminal , and it will tell you exactly which address ( , etc.) the JHD-2X16 is listening on. Correct Initialization jhd-2x16-i2c proteus