Lights On, Lights Off: Energy Conservation with the L.M.T.

Overview

Objectives/Goals To find a way to consistantly save energy in domestic applications, by using an invention that consists of a light sensor, motion detector, and timer. Methods/Materials A motion detector, light sensor, and timer, with both AC and DC components, were circuited together to form an energy saving invention. The final result of the invention, the L.M.T., was then wired to a light in five different rooms. The amount of time that the light was on with and without the invention was recorded by using a video camera, and then documented to find whether or not the invention saved energy. Results The L.M.T. invention saved from 40% to 10% of the amount of energy that was being used. In areas with heavier traffic, the result was less conservation, but, in areas with low traffic, the energy conservation was much higher. Conclusions/Discussion By using the L.M.T. in domestic lighting and possibly heating/cooling applications, one could save up to half of the energy being used. An example of a possible heating/cooling application that this invention could be used in, is the thermostat, which is always on, even when the owner is on vacation.

Competition history

• CSEF 2002 Electricity & Electronics · Entry J0714

Resources

• CSEF project summary ↗

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