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 this ...

Looking for an alarm system to make you feel more secure? We've tested all the best professional and DIY home security systems to help you decide which is right to protect your family and property.

Installing a smart water sensor can save you a lot of money and hassle. The best leak detectors we've tested immediately alert you to issues and even shut off your home's water supply. I’ve been ...

Abstract: A PIR-based security system that reduces energy use and recording system memory requirements has been proposed. a warm-blooded moving thing within the area of passive infrared radiation (PIR ...

This project involves using an Arduino to measure distances using an ultrasonic sensor and controlling a buzzer and LED based on the measured distance. The provided Arduino code performs the following ...

Project Overview: This project involves creating a functional radar system using an ultrasonic sensor, Arduino Uno, and a breadboard. The radar is capable of detecting objects within a specified range ...

Abstract: In recent years, due to parents' negligence, child drowning deaths are a common occurrence. Thus, we must solve the problem of child drowning accidents. This article discusses and analyzes ...