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RC boat with "out of this world" RGB led lights

Description: Using an Arduino or a micro controller we can generate cool looking patterns with an led strip with addressable LEDs. In this case I'm using an Arduino uno (clone board) and a strip of ...
IEEE

Using Ambient Sensors for Proximity and Relay Attack Detection in NFC Transactions: A Reproducibility Study

Abstract: Near-Field Communication (NFC) has enabled mobile devices to emulate contactless smart cards, which has also rendered them susceptible to relay attacks. Numerous countermeasures have been ...
Elektor Magazine

A Smarter Water Cutoff System: From Frustration to Integration

After a major water leak flooded my home, I realized alerts alone weren’t sufficient—I needed automatic shutoff. This project combines a hacked Gröhe Guard system, an Arduino Nano, an ESP32, and the ...
IEEE

Using a Reconfigurable Bipolar Coil Structure as a Relay Coil for Cross Coupling Elimination and Interoperability of Wireless Power Transfer

Abstract: In recent years, wireless power transfer (WPT) technology has developed rapidly. However, as the transmission distance increases, the system efficiency decreases. The long-distance and ...
NBC Bay Area

Thieves appear to use relay attacks to break into cars in San Jose

Thieves broke into cars in the Cambrian neighborhood of San Jose overnight, but it’s how they got inside that’s raising red flags. Home security video captured the thieves calmly approach some parked ...