CD-ROM
Aplikasi pir untuk alarm rumah dan ventilasi ruangan (CD)
Along with epoch growth, activity of human being progressively mount so that cause outdoors activity more amount, one would feel his house is not save.
Is seen from above background above will design and make prototype and ventilate column house alarm system by using minimum system AT89C51. Mikrokontroler represent especial controller of the system, PIR sensors function to detect insider existence a column , LDR sensor function to detect room because LDR circumstance measure up to if intesity light hitting his surface. At principle work this appliance is: if at night as house alarm ( PIR censor detect there is or nobody ), for example PIR censor detect people existence then buzzer will in activated by Mikrokontroler and in the day time this application change the way of job as application ventilate room of where automatically can activate existing application cooler in column , for example: if in room there is 10 people so this appliance automatically activate fan I and in the event of addition more than 10 people so fan II will be activated by Mikrokontroler. From research result can be taken by conclusion that PIR sensor can be used at house Alarm system and ventilate column.
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