Oct 2011
residential door security
3. Statistics showed that every 14. 6 seconds, a burglary takes place in the United States and most of them occur between 10 am and 3 pm. Burglars spend an average of 8 to 12 minutes in your household. The residence owner can take the following safety measures such as: burglars search for homes that appear to be vacant; robbers want to waste no more than sixty seconds breaking into a home. Points of Entry of Burglars:Figure2 . Burglary Facts and Statistics 2008. Retrieved from ne survey in Pennsylvania showed that:81 percent of residential intrusions occur through the first floor. 34 percent of burglars entered through the front door;23 percent through a first floor window;22 percent through the back door;9 percent through the garage;4 percent entered through a basement;4 percent through an unlocked entrance;2 percent through a storage area;2 percent entered anywhere on the second floor. Definition of a Home Alarm System:A home alarm system is used as a defensive device to monitor all unwelcome events such as intrusion, glass breaking and mainly to avoid theft.
The PIC architecture is characterized by its multiple attributes:Separate code and data spaces Harvard architecture. A small number of fixed length instructions. Most instructions are single cycle execution, with one delay cycle on branches and skips. All RAM locations function as registers as both source and destination of math and other functions. A hardware stack for storing return addresses. Data space mapped CPU, port, and peripheral registers. The program counter is also mapped into the data space and writable. There is no distinction between memory space and register space because the RAM serves the job of both memory and registers, and it is usually just referred to as the register file. The keypad:This device is used to enter the