If there is any change, the program uses the Sendmail ... The system also includes a small LCD. The Arduino outputs the current IP address to this display, making it easy to check up on the ...

If your backpack holds a PCF8574AT chip, then the default slave address will change to 0x3F. In short ... Reference circuit diagram of an Arduino-compatible LCD backpack is shown below. What follows ...

As promised in the first part of this article, now it is time to see in detail how we can use the Alphanumeric LCD Display in our Arduino sketches. The idea beside this project is to give a simple ...