Discover how to build a simple device that converts light into electricity using LEDs and diodes. This step-by-step guide ...

The Raspberry Pi has been a revolutionary computer in the maker space, providing a full Linux environment, GUI, and tons of ...

Northwestern researchers have developed a wireless device that uses patterns of light to send information directly to the ...

Most solar lights are cheap garbage that exist just to put more microplastics into the environment as they degrade in short order. [Jeremy Cook] built his own solar light, however, and this one ...

Why we love it: Of every LED mask we've ever put on our face, this is hands-down the most fancy. It has 770 LED bulbs, emits ...

A cartridge-based console project that blends Arduino fundamentals, retro gaming nostalgia, and modern maker tools.

A converter that tapers off a 4 mA input to zero, and adds the input and the tapered off 4mA signal to create a 2-wire 4-20 mA output loop.