The circuit in Figure 1, whichlets you create light of 32° of hues,uses red and green LEDs. A constant currentdivides into two components. Onecomponent flows through a red LED,and another one flows ...

The Raspberry Pi is a super fun gadget used by many creatives and DIY enthusiasts. There's a project for every room in the house, and there are several Raspberry Pi starter kits if you've never used ...

When scientists at the National Renewable Energy Laboratory (NREL) tried to apply their expertise in solar cell technology to build a green LED light from the ground up, they surprisingly centered the ...

White lighting LEDs are almost universally a combination of a blue light-emitting InGaN die and a phosphor that steals some of the blue light and converts it into a broad spectrum peaking at yellow or ...

Back in 1960 Electronics Weekly was born into a ferment of III-V semiconductor research that within two years would produce the first practical LED. In 1960 Dr Nick Holonyak of General Electric was ...

Originally hailing from Troy, Ohio, Ry Crist is a writer, a text-based adventure connoisseur, a lover of terrible movies and an enthusiastic yet mediocre cook. A CNET editor from 2013 to 2024, Ry's ...