Changes
/* inspiration */
* instructables
** [http://www.instructables.com/id/3D-Print-Make-Servo-Controlled-Valves 3d printed valve w/ servo]
** [http://www.instructables.com/id/Pinch-Valve/ Valve "pince" avec servomoteur. Simple.]
** [http://www.instructables.com/tag/type-id/category-home/channel-gardening/ gardening (channel)]
