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 ...

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” ...

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 ...