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 ...

BRADENTON, FLA. - GE's Security business (GEsecurity.com) has introduced its NX-148E-RF Networx LCD Keypad, which features an integrated 48-zone wireless receiver. By leveraging the benefits of ...

Napco's Gemini Virtual Keypad is a mirror-image remote control keypad on a web-based interface, fully-functional and accessible online from any web browser, PC or smartphone anywhere in the world.

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 ...