The Korea Research Institute of Standards and Science has developed a detachable acoustic lens that allows for easy ...

Emotional Robot : Innovative STEM robot building kit is designed with LED screen dynamic eyes. The LED screen changes the eye pattern through a simple remote control command, Inject emotional ...

A research team at POSTECH (Pohang University of Science and Technology) has successfully developed the world's first technology that enables uniform and even stretching across multiple pixels in a ...

This project demonstrates a cost-effective radar-guided defense system using an Arduino microcontroller and basic sensors. It detects threats using an ultrasonic radar ... Array to store distance ...

Arduino Uno: Microcontroller board for processing sensor data Ultrasonic Sensor (HC-SR04): To detect the distance to obstacles Buzzer: Audio alert for proximity warnings LED: Visual alert for ...