This study presents an N-port circuit model for $N$ coupled RFID tags, including the coupling effects. The RFID tags are replaced by loaded dipoles. The backsca ...

Learn how to build a WiFi-controlled drone using ESP32 modules and MPU6050 IMU. This DIY project offers stability control, smartphone control, and easy upgradability. Get step-by-step instructions and ...

Installing the WOOCH RFID Lock Electronic Cabinet Lock can be a bit tricky, especially if you're planning to use it on double-door cabinets. Our research shows that while the lock is supposed to work ...

ESP32 Projects with Code and Circuit Diagram ESP32 is a tiny cheap 8$ module with a dual core 32-bit CPU and built in Wi-Fi and dual-mode Bluetooth with sufficient amount of 30 I/O pins for all basic ...

Along with automation, the adoption of RFID in logistics processes will be a key factor. The use of RFID will facilitate automatic verification and real-time traceability, minimizing errors and ...

The 23rd edition of RFID Journal LIVE! 2025 is beginning to take shape and one of the focuses this year is new and groundbreaking retail use cases. The world’s largest conference and exhibition ...

The ubiquitous ESP32 microchip made by Chinese manufacturer Espressif and used by over 1 billion units as of 2023 contains undocumented commands that could be leveraged for attacks.

In the field of electronic engineering, the retrieval of circuit diagrams has become an area of considerable research interest. This is attributed to the critical role it plays in consulting legacy ...

Researchers from Glasgow University have developed a new electronic tag that could serve as an environmentally friendly alternative to the roughly 30 billion-plus single-use radio frequency ...

This contactless RFID lock has an additional feature of temporarily storing a person’s hotel check-in and check-out details.

Electronic Digital Piano Circuit and Working Fig. 2 shows the circuit diagram of the electronic piano, built around the ESP32 board, BC547 transistor, speaker, and other components.