The PCF8574 is a silicon CMOS circuit provides general ... are not bridged with solder it will have the slave address 0x27. Reference circuit diagram of an Arduino-compatible LCD backpack is shown ...

[Kaushlesh Chandel] prototyped a few projects on his Arduino that use an HD44780 Character LCD. Wanting to keep these projects in one piece, but not sacrifice his Arduino board, so he etched his ...

The Alphanumeric LCD for Arduino will be our first circuit: using only one component, and of course the LCD, we can povide our Arduino board with at least a 16×2 alphanumeric LCD display that we will ...