If you need high-security intrusion detection, not all keypads are created equal. As you’re entering your unique PIN code at some keypads, for instance, a favorite technique of bad guys is to “steal” ...

In order for a thief to bypass a security system's interface, they generally have to see that interface in the first place. That's why Swiss scientists have designed an access code keypad which is ...

The circuit was designed to illustrate the operation of an electronic keypad to be utilized in the burglar alarm system by having five keys as the security syntax. The circuit was designed to ...

Alarm Lock Systems, Inc., a leader in single point access control has introduced three unique keypads. Each keypad controls access of a single entry point with up to 150 user codes. Alarm Lock's ...

Locks come in a variety of types and designs to meet a wide range of security needs. While many locks use a simple key-and-tumbler design, some locks use technology that is significantly more advanced ...

MELVILLE, N.Y.—Ben Abrams, head of research and development for AFA Protective Systems, took one of Honeywell's new 6100 Series Custom Alpha and Fixed-Language Keypads home before they were released ...

Ring already makes one of our favorite DIY home security systems, and now the company has redesigned some of the system’s components to make them sleeker and easier to use. The biggest change is with ...

Instructables user [trumpkin] recently built an all-hardware based keypad lock for a contest he was entering, and we thought it was pretty neat. The lock uses mostly NAND gates and 555 timers to get ...