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 ...

Welcome back to air conditioning season, Arizona. Experts are here to settle your yearly fights. This is where you should set ...

The ChillPill is another battery-powered personal fan with a metal plate attachment that can directly cool your skin.

Is it worth the hype? I put it to the test.

The blueprints for a strange invention that allegedly uses TVs and computers to control the human mind have been discovered. The US patent, entitled Nervous System Manipulation by Electromagnetic ...

When the temperature spikes, most portable fans don’t cool the air – they simply move it across your skin, which can make you feel a bit cooler. SharkNinja’s new ChillPill takes a different approach ...

There have been many questions about what direction Arduino would take after being bought by Qualcomm. Now it would seem that we’re getting a clearer picture. Perhaps unsurprisingly the ...

The semiconductor chips driving modern-day computer processors are covered in billions of individual transistors, each of which can overheat under stress, causing steep drops in performance. To ...

Commentary: I hated the camera control button on my iPhone, so I used these settings to make it entirely decorative. Katelyn is a writer with CNET covering artificial intelligence, including chatbots, ...

China targets Japanese entities it says supply military Beijing adds 20 other Japanese entities to export controls' watch list Japan says measures 'completely unacceptable', demands withdrawal BEIJING ...

John Carlsen has more than a decade of experience testing and reviewing home tech products, with a major focus on smart home security. He earned his BS in journalism from Utah Valley University. In ...

Have you ever wanted to use a fan that's more than three times as loud as the other option while providing the same performance? If you answered in resounding joy, then this project is exactly what ...