A method of determining under actuation of a micro electromechanical device of a type having a support structure, an actuating arm that is movable relative to the support structure between a rest position and an operating position under the influence of heat inducing current flow through the actuating arm. A movement of a multifunction timepiece is provided with a first train wheel rotational center, a second train wheel rotational center, a third train wheel rotational center and a fourth train wheel rotational center. The cognitive map records information that software agents utilize to focus a cooperative swarm’s attention on regions likely to contain objects of interest. Each cartridge further having a snap-fit construction that permits assembly of the cartridge without the use of tools. A second transistor has a current path coupled between the voltage supply terminal and the first conductor and a control terminal coupled to receive a second control signal.