Library for PCF8574 Breakout Board by Testato on ArduinoForum, based on code from Mario H. You can see in the picture I2C_LCD_Breakoutboard.jpg the board compatible with this library. Without solder ...

hd44780 is an open source project for open source projects. Those wishing to create closed projects should seek an alternate solution. hd44780 is licensed under the terms of the GNU General Public ...