Abstract: An ornament, such as a menorah, is controlled by a microprocessor. The ornament has a LED circuit operably connected to a power supply circuit, and sensor capable of sending a signal to the microprocessor in response to external stimulus. The microprocessor controls whether a LED of the LED circuit emits light, and is capable of independently controlling a number of LEDs and responding to signals from a number of sensors.
Abstract: A lighting system provided with a plurality of filaments, the wattage ratings of which differ in a predetermined relationship. The filaments are selectively energized so that the light intensity of the lamp may be varied in steps, without a change in color temperature which otherwise results when the intensity is varied in response to a varying voltage applied to a single filament.