Build the Elektor Wordy Christmas Tree: a 3D PCB Christmas decoration with a Raspberry Pi Pico, 27 RGB LEDs, and multilingual glowing messages.
With this circuit, you can flash some LEDs for your rc airplanes or any other uav just like the real strobe navigation lights of an airplane. Using the service provided by JLCPCB, you can order the ...
The road to creating a blue LED was long and rough, but in 1993, it burst onto the scene. Learn about the struggles and ...
Discover how to build a simple wireless power transfer system at home using readily available components like enameled copper wire, an LED, a 2N2222A transistor, and a 9V battery. This step-by-step ...
CHICAGO (WLS) -- Sam takes a look at the hottest STEM toys -- that's science, technology, engineering and math.
Abstract: Deep ultraviolet light-emitting diode (LED) sterilization and germicidal lamps with short-wave characteristics, can be used to replace the traditional ultraviolet mercury lamps, is a new ...
Abstract: Aiming at the problem of whether the color difference exceeds the threshold when the RGB-LED is lit and how to calibrate the deviation, this article proposes an RGB LED chromaticity ...
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