IMPLEMENTASI MIKROKONTROLER AVR 8535 DALAM SISTEM PERINGATAN DINI BAHAYA KEBAKARAN

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2014-03-04

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Abstract

Fire hazard early warning system aims to detect a fire in the home, office, or vehicle . The Hardware part consists of power supply circuit, temperature sensor circuit, smoke sensor circuit, microcontroller circuit, and a series of Liquid Crystal Display (LCD). LM35D temperature sensor is used with temperature range from 00C to 1000C to detect the temperature change when it is happening. The system will be active when the sensor detects a change in temperature is too high compare to the normal temperature. Meanwhile, to detect any smoke in excess of normal levels of clean air, the smoke sensor AF30 will work. Other systems supporting components are Microcontroller ATMega8535. Both these sensors will send data to the microcontroller to display the text on the LCD and an alarm as a buzzer, if there is no smoke or in normal temperature, the buzzer will be silent. Minimum temperature depends on the size of the temperature room used. The whole circuit or alarm system is controlled by a microcontroller with input from the smoke sensor and temperature sensor, and the outputs are LCD and Buzzer. The software design is only used to calculate changes in temperature in Celsius degrees.. LCD used to show that temperature

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Keywords

microcontroller, fire, sensors, smoke, temperature

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