video://www.youtube.com/watch?v=FSMJiGPPzGM
Haha, this one is cool one to have.
The curtain control system is an existing system from Goelst and is called “G-Rail 6200”. Normally it is controlled by infrared or wallswitches. However, it can also be controlled with a CAN bus. I used this CAN bus to interface with an old PC.