Raspberry PI C library for LCD display with the HITACHI HD44780 and compatible controller
I2C interface with PCF8574 or/and PCF8574A I/O expander
Support for up to 16 displays (requires PCF8574 and PCF8574A chip expanders)
Support for 4x20, 4x16, 2x16 displays (other geometries should work as well, but not tested)
Multithread safe
Animation of displayed text
Custom characters to display