Electronic tap which comprises a cartridge with magnetic triaxial sensor for detecting the position of a controller or handle, wherein the electronic tap has the controller or handle with turning and inclination movement, as well as auxiliary or simultaneous processing means to processing means of the cartridge, which send instructions for the configuration of a mixture to be supplied by the tap and/or functions associated with the position of the controller or handle to corresponding devices forming a liquid supply assembly; wherein the controller or handle is attached to said cartridge, said controller or handle having at least a turning and inclination movement for manual regulation of liquid outlet parameters of the tap in which the cartridge is installed, wherein the cartridge comprises: - at least one triaxial magnetic field sensing magnetic sensor, referred as magnetic triaxial sensor, said magnetic triaxial sensor comprising magnetic field intensity measuring elements in each of three Cartesian axes (X, Y, Z); - at least one magnetic field generating element connected to the movement of the controller or handle coupled to the cartridge; - means of processing information received by the magnetic triaxial sensor and sending information relating to the position of the controller or handle to a device for regulating a mixing of liquids and regulating a flow rate; wherein the magnetic triaxial sensor of the cartridge installed on the electronic tap is located on a static base of the cartridge with one of the three Cartesian axes of detection being coaxial to the axis of rotation of the controller or handle of the tap, and wherein the position of the magnetic field generating element, when the controller or handle in its inclination movement is approximately halfway along its path, is centred on that axis of rotation of the controller or handle of the tap and therefore also centred on the corresponding Cartesian axis of detection coaxial to that axis of rotation of the controller or handle of the tap. wherein the controller or handle is attached to said cartridge, said controller or handle having at least a turning and inclination movement for manual regulation of liquid outlet parameters of the tap in which the cartridge is installed, wherein the cartridge comprises: - at least one triaxial magnetic field sensing magnetic sensor, referred as magnetic triaxial sensor, said magnetic triaxial sensor comprising magnetic field intensity measuring elements in each of three Cartesian axes (X, Y, Z); - at least one magnetic field generating element connected to the movement of the controller or handle coupled to the cartridge; - means of processing information received by the magnetic triaxial sensor and sending information relating to the position of the controller or handle to a device for regulating a mixing of liquids and regulating a flow rate; - at least one triaxial magnetic field sensing magnetic sensor, referred as magnetic triaxial sensor, said magnetic triaxial sensor comprising magnetic field intensity measuring elements in each of three Cartesian axes (X, Y, Z); - at least one magnetic field generating element connected to the movement of the controller or handle coupled to the cartridge; - means of processing information received by the magnetic triaxial sensor and sending information relating to the position of the controller or handle to a device for regulating a mixing of liquids and regulating a flow rate; wherein the magnetic triaxial sensor of the cartridge installed on the electronic tap is located on a static base of the cartridge with one of the three Cartesian axes of detection being coaxial to the axis of rotation of the controller or handle of the tap, and wherein the position of the magnetic field generating element, when the controller or handle in its inclination movement is approximately halfway along its path, is centred on that axis of rotation of the controller or handle of the tap and therefore also centred on the corresponding Cartesian axis of detection coaxial to that axis of rotation of the controller or handle of the tap.