Central Node: Connects everything together and has buttons and a screen to change settings. Access Node: Allows user to enable/disable the system with a password or RFID token. Motion sensor node Door ...

UVB-76 transmitted clustered coded signals in December as NATO–Russia tensions intensified In the second week of December, a Cold War–era Russian shortwave radio station broke from its usual pattern.

Here’s a fun build from [RootSaid] that is suitable for people just getting started with microcontrollers and robotics — an Arduino-controlled two-wheeled robot. The video assumes you already have one ...

While most of our picks for the best alarm clock use beeps or music to wake you up, many people may opt for an alarm that doesn't rely on sound, including those who are deaf or hard of hearing, ...

No. 10 BYU survived a true scare against Clemson during the Jimmy V Classic at Madison Square Garden Tuesday evening. The Cougars started out sluggish as they went into halftime facing a whopping ...

We independently review everything we recommend. We may get paid to link out to retailer sites, and when you buy through our links, we may earn a commission. Learn more› By Annie Chou Annie Chou is a ...

Bay Alarm Medical is a company that specializes in providing medical alert systems and services. It offers home-based and mobile systems with 24/7 professional monitoring services. In-home systems are ...

Nasha is a Managing Editor for CNET, overseeing our sleep and wellness verticals. She is a nutrition, mental health, fitness and sleep science enthusiast. Her passion for mindful and holistic ...

In the second week of December, a Cold War–era Russian shortwave radio station broke from its usual pattern. Over the course of several days, UVB-76, better known as “The Buzzer,” transmitted an ...

We put smoke alarms and heat alarms through rigorous tests in accordance with the British Standard to find the best and safest for your home. Smoke alarms need to sound quickly when they detect smoke ...

Choose from Alarm Buzzer stock illustrations from iStock. Find high-quality royalty-free vector images that you won't find anywhere else.