When designing a handheld device with a colour display using white LEDs for backlighting, is it better to use parallel or series connected LEDs? Both architectures have their own advantages when you ...

A team led by Prof. SUN Haiding from the University of Science and Technology of China (USTC) developed a vertically integrated micro-scale light-emitting diode (micro-LED) array，which was then ...

This project shows how to build an array of 120 LEDs how one microcontrollers controls them, and how a PC was used to communicate with them. This project shows how to build an array of 120 LEDs how ...

The circuit uses a LED array to create a heart shape device that can be used as a gift during Valentine’s or any special occasion. The circuit uses a LED array to create a heart shape device that can ...

Cree Inc. announces new CXA LED Arrays, boasting high lumen output and high efficacy in a family of single, easy-to-use components. Cree Inc. announces new CXA LED Arrays, boasting high lumen output ...

Cree has developed a bolt-down LED array for luminair makers looking to replace incandescent and CCFL sources up to 2,000 lm. Called CXA20, the array delivers 1,050 lm at 11W, or 2,000 lm at 27W with ...

There are so many nice hacks in [Joekutz]’s retro LED display project that it’s hard to know where to start. There’s his DIY LED display controlled by an Arduino UNO. To have some text or picture for ...