Abstract the problem.To study the concentration levels of light. In various levels with the sensor system, working system and the energy of the solar. When the needle of the light to what level to make. The tube can be attached to it by the system sensor, due to problems at the people in the world like the lights on and leave it makes a waste of energy by right reason. Because of that, the world lost power. Power power in the world, even down to me. We are aware of the movie to do this project, not only study the needle of the light, but in อีกด้านหนึ่งก็ to spending cuts in the home and to reduce energy consumption. Wastefully. Thus created according to Save World Save life.
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