Govee's Permanent Outdoor Lights Prism packs three independent LEDs in each puck, and each LED can produce red, green, blue, ...

This time I bring an electronic kit for beginners, this is a very cheap and interesting device that displays audio levels into the LEDs just like any audio level bar indicator will do. It is simple ...

Abstract: The drivetrains of large transportation systems, such as aircraft or ships, are evolving toward hybrid configurations with dc primary power distribution thanks to their higher efficiency. In ...

Abstract: We report our work on the fabrication and testing of AlGaInAs MQW lasers for space applications. A radiation test with 1.8MeV protons shows a lasing optical spectrum red shift. We conducted ...