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 ...

March 5, 2026: We added a new Brawl Stars QR code, offering a free pentagram-theme spray. We looked for more creator and sushi codes, too, and also made sure all existing codes still work. When you're ...

GameSpot may get a commission from retail offers. February 26, 2026: We added two new Dress to Impress codes. Dress to Impress is one of the most popular Roblox experiences out there, with more than 7 ...

Eufy has announced its new dedicated Glass Break Sensor E10, designed to detect the sound of glass breaking, potentially alerting users to an intruder. The sensor is expected to launch soon in Europe ...

The United States Patent and Trademark Office (“USPTO”) announced on February 10, 2026 that it has added a new category to its Trademark Design Search Code Manual for sound and motion marks. The ...

Abstract: Radar technology has been a cornerstone of numerous applications, from aviation to meteorology, offering invaluable capabilities for object detection and tracking. Traditional radar systems, ...

Abstract: Despite tremendous research efforts in the field of speech recognition systems, current technologies cannot match the performance of human hearing in noisy environments. The recently ...