At first glance, it may look like [Rybitski]’s 7-segment RGB LED clock is something that’s been done before, but look past the beautiful mounting. It’s not just stylishly framed; ...

After 16 weeks of testing, we noticed visible results. Here are our favorite red light therapy devices for hair growth.

More than one-fifth of US electricity is used to power artificial lighting. Light-emitting diodes based on group III/nitride semiconductors are bringing about a revolution in energy-efficient lighting ...

A battery-powered radio is great to have on hand in the event of a power outage or other emergency, but an even better option is an emergency weather radio. This one uses a solar panel, hand crank, ...

This module uses a versioning scheme that is compatible with ZMK versions. As a general rule, the main branch is targeting compatibility with ZMK's main. This is a ZMK module containing a simple ...

Abstract: Emergence of white-light LEDs allows the combination of lighting and information broadcast functionality in one optical source. We investigate analytically and by Monte Carlo simulations ...