The Raspberry Pi 5 is a single-board computer about the size of a credit card. But like most Raspberry Pi devices, you can do even more with it if you’re willing to plug in an add-on or two. So while ...

It has been discovered that apart from serving as a source of illumination, LEDs also have the potential to provide carrier waves within the visible light section of the electromagnetic spectrum, and ...

For the first time, we present optimized indoor visible light links at up to 806 Mbit/s using a single channel of a low-cost off-the-shelf RGB-LED. While the RGB-LED acts as transmitter, a high ...

The Raspberry Pi is a popular single-board computer designed to promote the teaching of computer science in schools. The use of the Raspberry Pi computer ranges from robotics to home automation. Many ...

Raspberry Pi 3 (should work with all versions) GPIO expander - because I have more blinds than pins on raspberry pi (each blind takes 2 pins - singal up and down) ...

For most people, LED masks are safe, but you’ll want to talk to a dermatologist first if you have an existing skin condition. These light therapy devices have the potential to smooth wrinkles ...