In this video I'm building an Arduino Heart Rate Monitor that is housed in a toy handle in the style of the Star Trek Tricoder. The device uses the PulseSensor with an Arduino Pro Mini and an OLED ...

Today we are going to create a strobe light for the tips of the wings of an rc airplane using a 555 timer (NE 555 or lm 555 IC) this circuit is very easy to make with few components and most ...

One of the few actual upgrades coming to the Galaxy S26 series is the “Privacy Display” expected to launch on the Galaxy S26 Ultra, and in continued teasers ...

It comes in three forms: G-Sync Ultimate, G-Sync, and G-Sync Compatible. The first two options include dedicated hardware built into the monitor to guarantee that your frame rate stays locked with ...

There’s a well-known movie trope in which a hacker takes control of the traffic lights in a city, causing general mayhem or ...

Andy is a seasoned technology journalist with more than 15 years experience in the mobile industry, writing for Digital Trends, Wired, and more. During that time he has reviewed hundreds of ...

Most people love arcade games, but putting a full-sized arcade cabinet in the living room can lead to certain unpleasant ...

I test TVs for a living, and year after year, Samsung remains one of the most dependable brands I review. The company's models range from entry-level LED sets to high-end OLED displays. However, not ...

Follow ZDNET: Add us as a preferred source on Google. I've spent a significant portion of my life searching for ways to extend the battery life on my Android phones. Admittedly, that sounds rather ...

With more than a decade of experience, Nelson covers Apple and Google and writes about iPhone and Android features, privacy and security settings, and more. Alexa Plus has introduced AI-powered ...