Abstract: A light-generating system including a LED load array having a number of light-emitting diodes, and a heat sink on which the LED load array is mounted. The system also includes a power control unit electrically connected to the power source and the LED load array, for converting input electrical power to output electrical power and controlling voltage and current of the output electrical power provided to the LED load array, and a temperature detector subassembly adapted for sensing a heat sink temperature of the heat sink. The temperature detector subassembly monitors the heat sink temperature and transmits a control signal to the power control unit upon determining that the heat sink temperature differs from a preselected temperature by more than a preselected minimum difference. Upon receipt of the control signal, the power control unit changes the voltage of the output electrical power accordingly.

Abstract: The invention provides a mechanism for dispensing items such as medication. The mechanism includes a carousel assembly, housing a plurality of storage compartments, which sits within a tray base. The tray base only allows one compartment to be opened at a time. The carousel assembly is associated with a motor which rotates the carousel assembly so that a requested storage compartment is accessible by a user. After the user has retrieved the item or items from the storage compartment, a trigger mechanism signals the motor to rotate the carousel assembly to automatically close the storage compartment so that others can not access the contents and to secure the contents.