Touching the black stripe on the right side on the dashboard is possible to change the camera tilt position with seven possible positions.
The mechanical construction seems perhaps too complex for a JFFP (just for fun project) like this.
I did not build it now. I did it time ago to test a CNC that I builded.
Soon I will do a post about it.
A short video:
The servo is linked to the pin 11 of the Arduino Yùn.
All "Kitchen Tray Project 3.0" file are here.