No, I'm actually using the n°1, mentionned one the first page :
"Source code for arduino - There may be newer versions posted in the thread, but this is the current recommended "stable" version.
1. Warning LED demo: https://sites.google.com/site/zitronfiles/KSPIODemo.zip use code from demo 4 <============ this one
2. Input demo: https://sites.google.com/site/zitronfiles/KSPIODemo2.zip use code from demo 4
3. Action groups: https://sites.google.com/site/zitronfiles/KSPIODemo3.zip use code from demo 4
4. Input Axes: https://sites.google.com/site/zitronfiles/KSPIODemo13.zip"
I'll try the one you said, KSPDemo13.zip, after work, and let you know how it's going on.
Thank you for your answers! Can't wait having it working and to build my controller