Capacitive measuring device for command interfaces, comprising: a support plate of a dielectric material, fixed by fixing means to a command interface, which is an electronic system globally referenced to a ground, first electrodes of an electrically conducting material, disposed along a first surface of the support plate opposed to the command interface, second electrodes (6, 7) of an electrically conducting material, disposed along a second surface of the support plate facing the command interface, electronic capacitive measuring means configured to allow (i) obtaining approach and/or contact information of one or more objects of interest by capacitive coupling measurements with the first electrodes, referred to as first active electrodes, and (ii) obtaining displacement and/or deformation measurements of the support plate by capacitive coupling measurements between the second electrodes, referred to as second active electrodes, and the command interface, characterized in that it further comprises switching means allowing to respectively connect the first and the second electrodes (5, 6) to: either electronic capacitive measuring means to respectively form first and second active electrodes (5, 6), or an alternative electric guard potential, substantially identical to the one of the first and second active electrodes (5, 6) to respectively form first and second guard electrodes (5, 6), wherein the first and/or second guard electrodes (5, 6) are arranged by the switching means to electrically shield second and/or first active electrodes (6, 5) at least along their surface oriented toward the support plate. a support plate of a dielectric material, fixed by fixing means to a command interface, which is an electronic system globally referenced to a ground, first electrodes of an electrically conducting material, disposed along a first surface of the support plate opposed to the command interface, second electrodes (6, 7) of an electrically conducting material, disposed along a second surface of the support plate facing the command interface, electronic capacitive measuring means configured to allow (i) obtaining approach and/or contact information of one or more objects of interest by capacitive coupling measurements with the first electrodes, referred to as first active electrodes, and (ii) obtaining displacement and/or deformation measurements of the support plate by capacitive coupling measurements between the second electrodes, referred to as second active electrodes, and the command interface, characterized in that it further comprises switching means allowing to respectively connect the first and the second electrodes (5, 6) to: either electronic capacitive measuring means to respectively form first and second active electrodes (5, 6), or an alternative electric guard potential, substantially identical to the one of the first and second active electrodes (5, 6) to respectively form first and second guard electrodes (5, 6), wherein the first and/or second guard electrodes (5, 6) are arranged by the switching means to electrically shield second and/or first active electrodes (6, 5) at least along their surface oriented toward the support plate. either electronic capacitive measuring means to respectively form first and second active electrodes (5, 6), or an alternative electric guard potential, substantially identical to the one of the first and second active electrodes (5, 6) to respectively form first and second guard electrodes (5, 6), wherein the first and/or second guard electrodes (5, 6) are arranged by the switching means to electrically shield second and/or first active electrodes (6, 5) at least along their surface oriented toward the support plate.