This eye-catching entry to the One Hertz Challenge pairs vintage LED indicators with a modern RPi board to create a one-of-a-kind clock. The RPI TinynumberHat9 by [Andrew] brings back the ...

You can build something cheaper and more customizable with an ESP32 or a Raspberry Pi, and that's what I did. It's beautiful, ...

The excellence of energy efficiency and reliability of LED attract the application of outdoor area lighting. The trends toward increase of power density while minimizing the structure, made the heat ...

Vienna rectifiers are popular in the application of EV charging piles. To increase the power density of Vienna rectifiers, a compact SiC power module with a double-side cooling structure for Vienna ...