Learn to build an RFID based attendance system using Arduino with step-by-step instructions, circuit diagrams, and complete code. This $35 DIY project replaces expensive commercial systems with ...

Shopping for a security system? Read about features, contracts, and more in Consumer Reports' home security system buying guide.

Learn how to build a WiFi-based fire and smoke alarm system using Arduino UNO R4 that sends real-time SMS notifications through the Circuit Digest API for emergencies, without requiring a GSM module.

The best home security systems are user-friendly, affordable and customizable to your needs. Some or all of the mortgage lenders featured on our site are advertising partners of NerdWallet, but ...

The second-gen Ring alarm security system is a worthy purchase, whether you're just getting started with an alarm system or already have Ring cameras.

Since criminality is rising in the 21st century, people want to secure their property and belongings. So, everyone in this situation needs a secure system with cutting-edge technology. Therefore, a ...

Night Security Light System – Circuit The circuit diagram of the Arduino-based night security light is shown in Fig. 2. It is built around an Arduino Uno board (board1), PIR sensor connected across ...

The vulnerability — now fixed — was discovered in a cloud-based system that allows customers to remotely manage their security alarm systems.