It’s been said that one of the best home security systems is owning a dog. In this do-it-yourself (DIY) circuit, we’ll design a unique system that lets you take advantage of a guard dog for security without ever needing to walk or feed it. This DIY system “barks” like a dog whenever motion is detected…

Facial recognition technology identifies individuals by analyzing and comparing their facial features. It uses biometric patterns and algorithms to map and distinguish a person’s unique characteristics. The technology has become an essential component of many security applications.  Facial recognition is commonly used for access control, surveillance, biometric authentication, identity verification, criminal identification, attendance, emergency response,…

A security alarm detects unauthorized entry into a home or building. In the past, these security devices simply triggered a loud siren when an intrusion was detected. As technology advanced, the systems were equipped with GSM modems to send an SMS alert to the home or building owner whenever an intrusion was detected.  One drawback…