11-10-2014, 02:36 PM
Abstracts: IN OUR PROJECT WE HAVE GIVEN DIFFERENT KINDS OF SECURITIES USING PIC CONTROLLER WHICH CAN BE USED IN HOME, HOTELS, HOSPITALS, OFFICES, COMMERCIAL SECTION ETC. IN THIS PROJECT WE HAVE USED 16F877A PIC CONTROLLER, LM385 ,RELAY CARD, LCD16*2,MAX232FIRE SENSORS, GASLEAKAGE SENSOR, ENTRY DETECTOR SENSOR,WINDOW SENSOR, COUNTER, GSM MODEM, BUZZER. NOW WHEN ANY KIND OF ACCDIENT OCCURS LIKE FIRE,GAS LEAKAGE A SENSOR CONDITION WILL BREAK AND CONTROLLER WILL GIVES SIGNAL TO BUZZER,SO BUZZER WILL START ALARMING. HERE WE HAVE ALSO USED GSM MODEM FOR DOING TWO WAY COMMUNICATION.NOW WHEN WE CLOSE OUR MOLES OR HOMES AND IF ANY KIND OF DEVICES IS ON THAN GSM WILL SEND US MESSAGEABOUT DEVICE NUMBER ND ITS STATE.WE CAN OFF THAT DEVICE USING GSM MODEM.