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Photoelectric Sensors: These sensors project a beam of light across a hall or doorway to detect motion and are triggered when a person passing through interrupts the beam. 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.

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Psychological Assessment in Private SecurityAs previously mentioned employment testing in private security entails conducting psychological assessments of the applicant.

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Sensors are the most vital part of the system; they act like the eyes and ears of a home alarm system by monitoring break in points and interior areas.

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One example of a private security firm within the catalog is TRIPwire Community Gateway TWCG—“a web portal designed specifically for the nation’s CIKR owners, operators, and private security personnel.

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If you’re not buying the security gadget upfront, ask about the leasing price and any additional terms.