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HOME /OFFICE SECURITY SYSTEM WITH VOICE ANNOUNCEMENT

Platform : Embedded System Projects

AIM: The aim of this project is implement a system to provide security for home/office. PURPOSE: The purpose of this project to provide security for home/offices with prior intimation of disaster. METHODOLOGY: BLOCK DIAGRAM: POWER SUPPLY: DESCRIPTION: Home/office security system is an embedded system, which collects the data at predefined time intervals from different sensors for different physical parameters like fire, gas, intruder, water level. In stand-alone applications data Acquisition system, the output may be in the form of displays, printer, buzzer, memory storage devices etc. The disadvantages of these products are storage limitation and data analysis. The AT 89 C51, an 8-bit micro controller collects the data from the different sensors. If any sensed parameter is out of pre-defined threshold value indicating by glowing a particular LED on Panel and then announcing a particular message (like fire detected) from voice ic through the speaker attached to it.. The system consists of a micro-controller with an A/D converter interfaced to it, which converts analog signals from sensor to digital signals. SOFTWARE USED: 1. Keil IDE 2. Uc- Flash 3. Embedded C HARDWERE USED: 1. Micro controller 2. Fire sensor 3. intruder sensor 4. Gas sensor 5. Water level sensor 6. ADC 7. Voice ic 8. speaker 9. POWER SUPPLY RESULT: Hence by this project home/office safety is maintained by providing a system with well-equipped sensors.

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