gui help

hi im extremly new to this... but i do have programing experiance. im basicaly trying to make a GUI speedo for a motorbike/car, iv got an old PDA that i can use for the screen but i need some help programing a chip to run the GUI and take inputs of speed etc

any help would be great thanks :)

iv got an old PDA that i can use for the scre

Any details wwould be great, thanks.

its an ipaq h3900

How are you going to connect you Arduino to it?

that is a good question and one i cannot yet answer

i was just wondering if anyone had done anything like this before