One LED produces four stable colors at room temperature

Full-color displays normally require separate red, green and blue light emitters. A team from the University of Osaka and ...

First electrically pumped perovskite polariton laser diode solves a decades-long challenge

Resolving a long-standing problem in semiconductor physics and optoelectronics, a team of researchers from Skoltech—a VEB.RF ...
Hackaday

Scanwheel: A Pocket-Sized POV TV

When you hear the word TV, you probably think of a big LED screen, maybe even the old CRT TVs, but in either case it’s ...
IEEE

Multifunctional UHF RFID Analog Sensor System Using Energy-Oriented Sequential Estimation Algorithm

Abstract: Ultrahigh frequency radio identification (UHF RFID) tags are widely used to provide passive and ubiquitous sensing with the competitive advantage of being low-cost. UHF RFID analog tag ...
IEEE

Vision-Based Pick and Place Control System for Industrial Robots Using an Eye-in-Hand Camera

Abstract: In this paper, we present a vision-based pick-and-place control system for industrial robots using an eye-in-hand camera. In industry, using robots with cameras greatly improves efficiency ...