A sensor system comprising: a primary RFID tag and a secondary RFID tag, each RFID tag comprising an antenna (112, 122) and an integrated circuit (111, 121) electrically connected to the antenna; a switch being electrically connected to the antenna of the primary RFID tag and the antenna of the secondary RFID tag and being electrically connected with the primary RFID tag and the secondary RFID tag in a manner that the primary RFID tag and the secondary RFID tag are not activated at the same time; at least two first electrical terminals (140, 150) electrically connecting the primary RFID tag to the switch; and at least two second electrical terminals (160, 170) electrically connecting the secondary RFID tag to the switch, characterized in that the switch has a conductive state and a non-conductive state, and when the switch is in the conductive state, the switch completes an electrical connection from the antenna of the primary RFID tag with the integrated circuit of the primary RFID tag such that the primary RFID tag is activated and an electrical connection from the antenna of the secondary RFID tag with the integrated circuit of the secondary RFID tag is shorted such that the secondary RFID tag is deactivated, and wherein when the switch is in the non-conductive state, the switch opens the electrical connection from the antenna of the primary RFID tag with the integrated circuit of the primary RFID tag such that the primary RFID tag is deactivated and a short of the electrical connection from the antenna of the secondary RFID tag with the integrated circuit of the secondary RFID tag is removed such that the secondary RFID tag is activated. a primary RFID tag and a secondary RFID tag, each RFID tag comprising an antenna (112, 122) and an integrated circuit (111, 121) electrically connected to the antenna; a switch being electrically connected to the antenna of the primary RFID tag and the antenna of the secondary RFID tag and being electrically connected with the primary RFID tag and the secondary RFID tag in a manner that the primary RFID tag and the secondary RFID tag are not activated at the same time; at least two first electrical terminals (140, 150) electrically connecting the primary RFID tag to the switch; and at least two second electrical terminals (160, 170) electrically connecting the secondary RFID tag to the switch, characterized in that the switch has a conductive state and a non-conductive state, and when the switch is in the conductive state, the switch completes an electrical connection from the antenna of the primary RFID tag with the integrated circuit of the primary RFID tag such that the primary RFID tag is activated and an electrical connection from the antenna of the secondary RFID tag with the integrated circuit of the secondary RFID tag is shorted such that the secondary RFID tag is deactivated, and wherein when the switch is in the non-conductive state, the switch opens the electrical connection from the antenna of the primary RFID tag with the integrated circuit of the primary RFID tag such that the primary RFID tag is deactivated and a short of the electrical connection from the antenna of the secondary RFID tag with the integrated circuit of the secondary RFID tag is removed such that the secondary RFID tag is activated.