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 ...

The SwitchBot Keypad Vision represents a significant evolution in smart home access control, building on the foundation of ...

The simple keyboard has long been a popular staple for easier access to your garage door. But with the new MyQ Smart Garage Video Keypad, a mash-up of video doorbell and smart lock, you can finally ...

The wall mount comes with 1-1/4" drywall mounting screws. Dimensions: 203 mm x 127 mm x 4.7 mm / 8" x 5" x 3/16 Designed to fit the keypad firmly and securely. Each plate is tested and inspected ...

This series of monthly teardowns was started in early 2018 as an experiment, and since you fine folks keep reading them, I keep making them. But in truth, finding a new and interesting gadget every ...

CNET’s expert staff reviews and rates dozens of new products and services each month, building on more than a quarter century of expertise. We originally tested and reviewed the Ring Alarm Security ...

Let’s rollback the hobby electronics calendar a few decades with [myvideoisonutube’s] alarm activation control circuit using a matrix style phone keypad. The circuit is quite old using CMOS 4081 with ...