Control apparatus for electrical devices

Control apparatus for continuous automatic control of illuminating means for a life environment such as an aquarium, terrarium or the like comprising:

• first means for passing electrical energy therethrough, said first means having inlet means for admitting electrical energy thereto, and outlet means for conducting electrical energy therefrom for energization of said illuminating means for said light environment said first means including control means for cyclically and repetitively attenuating and increasing electrical energy passed therethrough, said control means of said first means comprising a potentiometer, said potentiometer having a voltage regulating control knob extending therefrom;
• second means coupled to said control means and to said inlet means and cooperative with said control means so as to automatically manipulate said control means to cause said control means to attenuate and increase said electrical energy, cyclically and repetitively, over separate time spaced sequences of selected duration said second means comprising a motor means, said motor means having an output rotational shaft and actuator means, said actuator means comprising a limb means coupled to said output shaft of said motor means for rotation thereon, said limb means including radial elements disposed thereon for effecting contacting engagement with said voltage regulating control knob.