To set it up you must go to the IPO window of that object and if that
property is on the list (Rotate X, Y, Z, etc…) select it and then make
some key dot things in the IPO graph. (hold Ctrl while clicking to
make new ones.
Press the N key to bring up the driver panel (in the IPO window)
That is the place you enter the information of the object you want
to use as a driver (a controller). So type in the name and how you
would like it to drive this current IPO curve. So, for example
you could enter “Cube1” in the name slot. You’ll know if you spelled
it right if it does not disapplear after pressing Enter. Then choose
from the drop down menu, male LocX, RotZ. Then when you
move the controler object in the manner you chose, it should
make affect affect the IPO curve.
I know I’m jumbling all this up in a confusing way so here’s the
That example focuses on driving a shape key, but you can really
drive anything if it has an IPO curve.