Although a room may appear quiet in the visible light range, if you shift your focus to radio waves as a whole, you will see that devices such as Wi-Fi and Bluetooth are constantly communicating, ...

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Walkie-talkies are great fun, and [RealCorebb]’s bbTalkie project takes the concept a step further by adding some extremely cool features to make a highly refined, self-contained ESP32-based ...

Rolling codes change the signal sent by car keyfobs unpredictably on every use, rendering them safe from replay attacks, and we can all sleep well at night. A research team lead by [Levente Csikor] ...