A connectable electronic component comprising a transducer such as an RFID antenna, a status annunciator such as a short circuit to indicate the presence of the electronic component, and circuit means to propagate signals between the transducer, the status annunciator and an external control system, and circuit means to propagate signals between the external control system and other electronic components.A control system adapted to control one or more of said electronic components, comprising sensing means adapted to generate an interrogation signal to detect the presence of any electronic component, a subsystem adapted to generate a control signal to control the transducer of a detected electronic component, and routing means.