Using an LCD HD44780 with IO Expander PCF8574

I've just published a library that will let you use a common HD44780 LCD with ORbit16 without level shifting (those lcd works ad 5V!) and with only 2 IOs !!! This result is achieved driving a common HD44780 lcd with an IO Expander PCF8574 or PCF8574A.

Links:

• PCF 8574 Library
• LCD I2C Library
• Using an LCD HD44780 through an IO Expander (LCD I2C library usage demo)