We test and rate scores of digital cameras and lenses each year, from pocket-friendly models to high-end medium format systems. Here's everything you need to know to pick the best camera for you.

This project involves using an Arduino to measure distances using an ultrasonic sensor and controlling a buzzer and LED based on the measured distance. The provided Arduino code performs the following ...

On the hunt for your next TV? We’ve got you covered. You’ll find all of our latest reviews below, with top recommendations based on hands-on experience and in-depth reviews. If you’re not quite ready ...

Project Overview: This project involves creating a functional radar system using an ultrasonic sensor, Arduino Uno, and a breadboard. The radar is capable of detecting objects within a specified range ...

The Global Findex Database is the world's only demand-side survey on financial inclusion and a leading source of data on how adults around the world access and use financial services. Since its launch ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. When Sigma first entered the digital camera market in 2002, it did so with an unusual sensor ...

Abstract: As one of the most natural user behaviors, walking has been widely focused on developing personal identification systems due to its unique biometric authentication features. Popular visual ...

Abstract: Wear debris monitoring in lubrication oil has emerged as a promising solution for health monitoring and fault diagnosis of mechanical equipment. However, the debris feature signal is weak ...