Absolute capacitative encoder comprising: - a stator, - a plurality of conductive sectors mounted on said stator one next to the other, in such manner to generate a plurality of capacitors having said conductive sectors as armatures, said conductive sectors being disposed in circular crown configuration with center; - a mobile element mounted in revolving mode with respect to the stator; said mobile element being a rotor revolvingly mounted around said center of the circular crown configuration of the conductive sectors; said mobile element being of dielectric or conductive material; said mobile element having an indicator consisting in a slot of the mobile element and the mobile element is configured in such manner to cover all stator capacitors when moving, except for one stator capacitor in correspondence of the indicator of the mobile element; - a control unit electrically connected to said stator conductive sectors in such manner to detect the capacity of each capacitor generated by the conductive sectors, the control unit being set in such manner to detect the capacity variation between all stator capacitors covered by the mobile element and the only stator capacitor that is not covered by the mobile element in correspondence of the slot of the mobile element in such manner to identify the position of the indicator of the mobile element, characterized in that said rotor is mounted so that the rotor can axially translate along an axis orthogonal to the stator passing through said center of the circular crown configuration of the conductive sectors, the encoder also comprising: - a cover whereon said stator is fixed, - spring means disposed between said cover and said mobile element in such manner to push the mobile element against the conductive sectors of the stator, and a knob fixed to said rotor and being configured to be rotated and pressed so that as a user pushes the knob, the rotor will move axially compressing the spring, as a consequence, a disk of the rotor is moved away from the conductive sectors by a distance, generating an air gap between the disk of the rotor and the conductive sectors, such an air gap changing the dielectric between the capacitors and consequently changing the capacity of the capacitors, the control unit being configured to detect the angular position of the knob and the compression of the knob. - a stator, - a plurality of conductive sectors mounted on said stator one next to the other, in such manner to generate a plurality of capacitors having said conductive sectors as armatures, said conductive sectors being disposed in circular crown configuration with center; - a mobile element mounted in revolving mode with respect to the stator; said mobile element being a rotor revolvingly mounted around said center of the circular crown configuration of the conductive sectors; said mobile element being of dielectric or conductive material; said mobile element having an indicator consisting in a slot of the mobile element and the mobile element is configured in such manner to cover all stator capacitors when moving, except for one stator capacitor in correspondence of the indicator of the mobile element; - a control unit electrically connected to said stator conductive sectors in such manner to detect the capacity of each capacitor generated by the conductive sectors, the control unit being set in such manner to detect the capacity variation between all stator capacitors covered by the mobile element and the only stator capacitor that is not covered by the mobile element in correspondence of the slot of the mobile element in such manner to identify the position of the indicator of the mobile element, - a cover whereon said stator is fixed, - spring means disposed between said cover and said mobile element in such manner to push the mobile element against the conductive sectors of the stator, and