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 ...

Light aircraft often use a heading indicator as a way to know where they’re going. Retired instrumentation engineer [Don Welch] recreated a heading indicator of his own, using cheap ...

This new piece of camping kit is designed to not only make it way easier to start a fire, but also keep your site free of smoke. That means you can comfortably enjoy the warmth from the flames, and ...

DALLAS, Texas — When Boopie Miller’s last-second halfcourt-heave touched nylon, Joe Bessner did not hesitate. “As soon as the ball went in the net,” he said, “I hit my big red button.” Flames shot ...

TechRadar Pro created this content as part of a paid partnership with RS. The content of this article is entirely independent and solely reflects the editorial opinion of TechRadar Pro. You've ...

Here's why camera sensor size beats megapixels for low light photography. Compare 1-inch sensors vs 200MP smartphones, full-frame vs APS-C image quality. Pixabay, fotografyarte The photography world ...

This all-purpose presence sensor is a master at monitoring indoor activity and linking it to smart home features you already use. Tyler has worked on, lived with and tested all types of smart home and ...

Aqara has announced the Spatial Multi-Sensor FP400, a new presence sensor that it says is precise enough to suss out whether you’re sitting, standing, or lying down. The FP400 builds on several past ...

Imaging technology has transformed how we observe the universe—from mapping distant galaxies with radio telescope arrays to unlocking microscopic details inside living cells. Yet despite decades of ...

Some members of the maker community are distraught about Arduino’s new terms of service (ToS), saying that the added rules put the company’s open source DNA at ...

I’m already loving this device, and I haven’t even touched one. Arduino announced it has collaborated with M5Stack to develop the new compact and powerful Nesso N1 IoT development kit. This system ...

The $50 sensor runs on two coin cell batteries so you don’t need a nearby power source for installation. The $50 sensor runs on two coin cell batteries so you don’t need a nearby power source for ...