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 ...

Smartphone cameras are becoming smaller, yet photos are becoming sharper. Korean researchers have elevated the limits of next-generation smartphone cameras by developing a new image sensor technology ...

CU Boulder researchers have built high-performing optical microresonators, opening the door for new sensor technologies. At its simplest form, a microresonator is a tiny device that can trap light and ...

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A new ultrathin photodetector from Duke University can sense light across the entire electromagnetic spectrum and generate a ...

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 ...

Soldered Electronics has made ESP32-based e-paper displays for years, starting with the launch of the Inkplate 6 in 2019. The ...

The secret to safer self-driving cars might be this tiny radar device. The post This low-cost orange-sized sensor could be what self-driving cars need to hit public roads appeared first on Digital ...

Computer vision technologies are artificial intelligence (AI)-powered systems that can capture, analyze, and interpret visual data captured from real-world environments. While these systems are now ...

Samsung is set to finally unveil the Galaxy S26 series next week at the Galaxy Unpacked event in San Francisco. Just days before the announcement, a tipster has shared new details about the Galaxy S26 ...

Apple in macOS Tahoe 26.2 introduced Edge Light, a clever new feature that turns your Mac's display into a virtual ring light during video calls. Instead of fumbling with external lighting equipment, ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. In the world of ...