Abstract: A system for making beverages comprising a brewing unit (2) and a capsule (4) containing a powdered food substance (5), the capsule (4) comprising an outer casing (6) and a recognition element (11) placed inside the outer casing (6), wherein the brewing unit (2) comprises a first piercing unit (17), a lighting device (26) associated with the first piercing unit (17) for lighting the recognition element (11), a detecting device (13) configured to detect a return light radiation from the recognition element (11), wherein the detecting device (13) has an acquiring surface (27) fixed to the first piercing unit (17), and the first piercing unit (17) has a distal portion (35) which more than the acquiring surface (27), and wherein alternatively the distal portion (35) is resting on the recognition element (11) and the acquiring surface (27) is at a distance from the recognition element (11), or the distal portion (35) is partly inserted in the recognition element (11) and the acquiring surface (27) is at a distance

Abstract: A system for making beverages comprising a brewing unit (2) and a capsule (4) containing a powdered food substance (5), the capsule (4) comprising an outer casing (6) and a recognition element (11) placed inside the outer casing (6), wherein the brewing unit (2) comprises a first piercing unit (17), a lighting device (26) associated with the first piercing unit (17) for lighting the recognition element (11), a detecting device (13) configured to detect a return light radiation from the recognition element (11), and supplying means for supplying hot water inside the capsule (4) inserted in the infusion chamber (3), wherein, moreover, the hot water supplying means are configured to supply the hot water inside the capsule (4) at a reading surface (12) of the recognition element (11) towards which the lighting device (26) and the detecting device (13) are directed in order to execute a cleaning step for cleaning the recognition element (11) if the capsule is not recognised.

Abstract: A system for making beverages comprising a brewing unit (2) and a capsule (4) containing a powdered food substance (5), the capsule (4) comprising an outer casing (6) and a recognition element (11) placed inside the outer casing (6), wherein the brewing unit (2) comprises a first piercing unit (17), a lighting device (26) associated with the first piercing unit (17) for lighting the recognition element (11), a detecting device (13) configured to detect a return light radiation from the recognition element (11) and an electronic control unit, wherein, moreover, the recognition element (11) has a reading surface (12) which forms a convexity directed towards the detecting device (13).

Abstract: A system for making beverages comprising a brewing unit (2) and a capsule (4) containing a powdered food substance (5), the capsule (4) comprising a recognition element (11) placed inside an outer casing (6), wherein the brewing unit (2) comprises a first piercing unit (17), a lighting device (26) configured to light the recognition element (11), a detecting device (13) configured to detect a return light radiation from the recognition element (11) and an electronic control unit programmed to execute a comparing step, wherein real data are compared with saved reference data and to manage brewing in a different way if the real data match reference data or do not, compared with if the comparing step indicates that the real data do not match the reference data, wherein the reference data comprise one or more combinations of division of the total intensity received in a main band, into a plurality of separate secondary bands of wavelengths, which are included in the main band.