This Arduino board is bigger than your head, and it works

A YouTube builder shows off how he created an Arduino board that's 7x larger than the real thing... powered by a hidden ...
Hackaday

Converting AC Irrigation Valves To DC Operation

Due to historical engineering decisions made many decades ago, a great many irrigation systems rely on solenoid valves that ...
Hackaday

Real-Time 3D Room Mapping With ESP32, VL53L5CX Sensor And IMU

ST’s VL53L5CX is a very small 8×8 grid ranging sensor that can perform distance measurements at a distance of up to 4 meters. In a recent video,[Henrique Ferrolho] demonstrated that ...
GitHub

Bluetooth USB HID Relay

A delightfully over-engineered solution to an unusual modern problem! Use Bluetooth peripherals with Bluetooth-disabled computers. This project creates a Bluetooth USB HID relay using a Raspberry Pi ...
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 ...
GitHub

PH4502C Sensor Arduino Library

This Arduino library provides a convenient and easy-to-use interface for the PH4502C sensor, allowing you to effortlessly integrate it into your Arduino projects. The PH4502C sensor is a ...
IEEE

Closed-Form Blockage Probability for Relays-Assisted mmWave D2D Communications: Benefits of Using Relays

Abstract: One of the important challenges of millimeter wave (mmWave) device-to-device (D2D) communications is its vulnerability to obstacles. While relaying is a possible solution when the direct ...