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Sandy Kritzinger Trendy built in desk dark wood floor and brown floor study room photo in Charlotte with gray Samsung Innovation. Question 5 of 7. Styled Personal Styling and Consulting, Boxborough, Massachusetts. Even the most fashion savvy need to reevaluate their styles. I believe our homes should be a reflection of who we are, so I love writing about finding your personal decorating style. Most people wear only 20% of their wardrobe 80% of the time.

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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.