Rancang bangun prototipe lampu dan pendingin ruangan otomatis berbasis mikrokontroler

Marif, Syamsul (2014) Rancang bangun prototipe lampu dan pendingin ruangan otomatis berbasis mikrokontroler. Diploma thesis, UIN Sunan Gunung Djati Bandung.

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Abstract

Everybody uses the electrical energy to meet the requirements of the life. We are always dealing with the light which is called lamp or light and temperature everyday. Lamp and fan is a part of life. Hence, people often used it inefficiently in time and wrong condition. Many houses are often robbed because the occupant let it dark as they leave with no watchman, as a result, the thief easily know that no one inside the house since it always turn on or turn off all the time. The writer made the automatic lamp and air conditioner control system microcontroller based Atmega 8535 as the final task. This device is able to economizing electrical energy and avoid from the robbing. The device which is used for control the temperature and light are LM35 and LDR. As a viewer output is used LCD (Liquid Crystal Display). When the system performance LM35 detecting temperature ≥ 31oC ≤ 34oC the fan rotation is 750 rpm, when the temperature ≥ 35oC the fan rotation device reaches the maximum limit, it is 1500 rpm. In LDR, when the room is dark, (0 % light) the lamp will be turn on, and in the bright light (≥ 1 % light) the bulbs will slowly turn off automatically. It is help in saving electricity. When the lamp and fan does not use the automatic system, it light for 24 hours and must be turn off by the occupants of the house. When using automatic system, lamp and fan can be turn on and turn off in accordance with the specified limits. The fan is turn on when the temperature over 30oC and turn off when it detect under 30oC and the lamp turn on 12 hours from 06.30PM-05.30AM and turn off 12 hours it is 05.30AM-06.30PM WIB. It is proved that it economized 30% to the PLN bill.

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