I´ve also tried to connect the display directly to my arduino. By using the glcd library I was able to at least test the display itself, with succes.
I did check my wiring several times using the mcp23017 but can´t find a problem... I guess it´ll be something I need to change in the "i2c lcd" library in order to adapt to my lcd pin mapping (Though this, sounds very unlogic. Since I did adapt the wiring going from lcd to mcp23017, according to the different pin mapping).
Any suggestions?
Niels,