Color-changing light-emitting fibers woven into fabric enable flexible, pixel-level displays for smart textiles, opening new possibilities for wearable communication.

This project demonstrates a cost-effective radar-guided defense system using an Arduino microcontroller and ... < 50 && distances[angle] > 0) { fill(255, 0, 0, 100); // Red color for detected object ...

Within the explosion limit of gasoline, the PCs exhibit a color shift from violet to red, with a detection limit of approximately 750 ppm. For the first time, an Arduino processor has been integrated ...