A pharmaceutical product comprising: a pill (20), and a device (22) including a top and a bottom, and secured to the pill, such that the device (22) comprises: a skirt nonconductive that defining a central cavity； a control unit, positioned within the central cavity defined by the skirt, wherein the control unit includes at least a first material and a second material wherein the first material is dissimilar from the second material and wherein the first and second materials are placed on opposite sides of the control unit and electrically connected thereto, wherein the first material can be exposed on a first side of the skirt and the second material may be exposed on a second face of the skirt so that the skirt separating the two dissimilar materials when exposed, wherein when the first and second material exposed and in contact with a conductive fluid, a difference of electric potential is generated in order to energy supply unit control and a current flow occurs through conductive fluid between the first and second material extending around the skirt nonconductive, and wherein the control unit, when feeding energy, modulates the current flow to generate a signature supply with information encoded in the signature stream, and a portion of securing (30) on the bottom of the device in order to ensure device to the pill.Un producto farmacéutico que comprende: una píldora (20), y un dispositivo (22) que incluye una parte superior y una parte inferior, y asegurado a la píldora, de tal manera que el dispositivo (22) comprende: una falda no conductora que define una cavidad central； una unidad de control, colocada dentro de la cavidad central definida por la falda, en donde la unidad de control incluye al menos un primer material y un segundo material, en donde el primer material es disímil con respecto al segundo material, y en donde el primer y segundo material están colocados sobre caras opuestas de la unidad de control y conectados eléctricamente a la misma, en dond
