The hardware was assembled by connecting the Arduino UNO R4 WiFi, the PZEM 004T, the current transformer, and the OLED ...

Abstract: A dual-axis solar tracking system that is optimized for effective energy harvesting in urban settings is designed and developed in this paper. Two servo motors are used in the system to ...

Abstract: In order to obtain optimal yield, angle of incidence must be perpendicular to the surface. The motivation of this study is to design a solar tracking system. To move a panel through the ...

This project is an IoT-based anti-theft vehicle tracking system built using Arduino + GPS + LCD for location tracking and ESP8266 modules for wireless communication, vehicle alarm, and driver keychain ...

First look: The return of a solar-powered laptop has been a long time coming. Nearly a decade has passed since the tech world last gave serious thought to powering notebooks with sunlight, yet Oukitel ...

Staring at the sun—a close (but safe) look at our home star Staring at the sun—a close (but safe) look at our home star Need a new idea to keep kids entertained? Try stargazing. Need a new idea to ...

Narrator: Serious scientists, like myself, believe our Solar System was formed by the collapse of a giant cloud of gas and rock and is held together by the gravitational pull of the Sun. Eight planets ...

Iran may be using a Chinese satellite navigation system to target Israel and United States military assets in the Middle East, intelligence experts say. Former French foreign intelligence director ...

I do my best to eat well and stay in shape. But as a mom of three, it’s often tough to remember what I’ve eaten today, or even how much water I’ve taken in. The overarching benefit of food-tracker ...

Editor’s Note — March 2026: We’ve updated our story to make sure items are in stock and available, plus we added a new best overall, the Goal Zero 1500 power station, a new model we recently reviewed, ...