Abstract: This paper presents a tutorial on the Tracking, Telemetry, and Command (TT&C) for spacecraft and satellite missions. In particular, it provides a thorough summary of the design of the TT&C, ...

Abstract: Quality assurance on PCBs these days remains a very big challenging task in the current electronics industry. The paper proposes a new way for finding defects on PCBs with a microcontroller ...

This is the moment Donald Trump suddenly interrupts his meeting with oil company executives to stare at the White House’s “beautiful ballroom”. The room was huddled in silence during the meeting on ...

President Claudia Sheinbaum calmly stopped her press conference when the 6.5 magnitude trembler shook the room and set off the country's earthquake alert system. The quake shook Guerrero, Mexico, ...

The Young and the Restless, on January 1, 2026, New Year's Day, is rebroadcasting a classic episode from September 10, 1998, when Jill crashes Katherine Chancellor's party. Katherine Chancellor ...

The Smart SMS Alert System using Seeed Studio Xiao ESP32 is one of the compact IoT projects that uses an HC-SR04 ultrasonic sensor to detect nearby movement. The system acts like a motion detector ...