From a room I'm building. Uses shape keys driven by two objects:
Rotate the CNTRL_Window_Blind_Tilt (around z-axis) to tilt the blinds.
Move CNTRL_Window_Blind_Lift (along z-axis) to raise/lower the blinds.
Demo video at https://youtu.be/eo-EH5x9t_M
this is epic