Just about every “getting started with microcontrollers” kit, Arduino or otherwise, includes an ultrasonic distance sensor ...

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 ...

Thanks to smart home security systems, it's easier and more affordable than ever to monitor your home from pretty much anywhere. At PCMag, we have been reviewing smart home security solutions for ...

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

The riding season is officially over. That glorious final rumble has been replaced by the quiet hum of winter storage, and your motorcycle, your freedom machine, is tucked away. But don’t let the ...

Abstract: Accurate and low-power indoor localization is becoming more and more of a necessity to empower novel consumer and industrial applications. In this field, the most promising technology is ...

Abstract: Near-Field Communication (NFC) has enabled mobile devices to emulate contactless smart cards, which has also rendered them susceptible to relay attacks. Numerous countermeasures have been ...

I have multiple Alexa devices and all have the same issue. Sensors all work via the device itself i.e. the presence sensor runs routines within the Alexa app, and the Alexa smart speaker can tell me ...