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Glass Break Detectors: Usually mounted near windows to detect the specific high frequency sound of glass being shattered. They are usually installed on a wall opposite or adjacent to the protected glass and are effective within about 15′ to 25′. Smoke and Heat Detectors: Detect smoke and heat. Chapter II:Our Home Alarm SystemOur Home Alarm System:Our project’s main concern was to build a Home Alarm System using a PIC microcontroller. We started off our project by coding the Keypad, then LCD and the final touch was the sensor. We also added two types of buzzers: one to sound the alarm and the other as a key tone buzzer. The final result turned out to be the following:Figure3. Our Home Alarm SystemMaterials Used: Cost:PIC16F877A 7$4X4 Keypad 2$JHD 162A LCD 6$6V Alarm Buzzer 0. 5$Key tone Buzzer 0. 5$4 MEGA Crystal Oscillator 5$3 Flashing LEDs 0. 1$18 Pico Capacitors 1$Magnetic Sensor 2$Input VoltageWires 0.

home security

It stands out clearly that the anonymous nature of the web medium poses issues pertaining to the credibility and authenticity and thus compromises on the flexibility and the comfort of the web. The success of fast online fund transfer very much hinges on implementing effective security measures to…… Security SystemsHow would you consider what is to be local security vs. enterprise wide security. Should they be different, should it be enterprise wide ignoring the special needs of any particular site. Keep in mind that employees travel from one site to another often and need to access computing resources from any site to get their work done. The classic enterprise network for most organizations used to be hub and spoke arrangement, but demand for higher bandwidth led to the decrease in the cost of leased lines and the emergence of new technologies, such Virtual Private Networks that could mesh offices together.