This portable computer is the Raspberry Pi alternative I didn't know I needed ...

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Building an automated attendance system using ESP32-CAM is a practical, affordable way to solve this problem for classrooms, ...

On its way to and from visiting the Moon, the 33 engines of the ESA’s European Service Module are keeping Orion on track, as explained in this video. The crew has also tested manual piloting and plans ...

WiFi 6, Bluetooth 5.x LE, and an 802.15.4 radio for Zigbee, Thread, and Matter, as well as two 9-pin headers offering up to ...

The best travel wallets make moving through airports, train stations, and new cities noticeably easier. These travel companions are especially made to keep your most important items—credit cards, IDs, ...

The U.S. conflict with Iran has put a spotlight on oil and natural gas commodities as the blockage of the Strait of Hormuz shipping corridor has played a key role. But the energy landscape is much ...

Abstract: Anterior cruciate ligament (ACL) injury often leads to lasting deficits in joint stability and neuromuscular control, even after reconstruction. Understanding how these deficits manifest ...

Abstract: In this work, a wireless passive high-sensitivity displacement sensor operated in the ultrahigh-frequency (UHF) radio frequency identification (RFID) band is proposed for displacement ...

RFID Card Scan → ESP32 reads UID UID checked with Firebase for permissions LEDs & Buzzer respond with access decision Status logged to Firebase & MySQL Web portal allows admin control & tracking ...