How to build your own air quality meter with a Raspberry Pi and CO2 sensor

A reliable indicator of the air quality in offices, classrooms, or living rooms is the CO2 content. In fresh air, the ...
EurekAlert!

Low-cost visible light communication system achieves stable outdoor data transmission using LEDs

Researchers have developed a low-cost visible light communication (VLC) system using commercially available hardware that ...
Hackaday

Building A Wall-Mounted Sound Visualizer

Visualizers used to be very much in vogue, something you’d gasp in at amazement when you’d fire up Winamp or Windows Media ...
CNX Software

Elecrow AI starter kit turns NVIDIA Jetson Orin Nano into a learning platform with 11.6-inch display, 30 electronics modules

Elecrow AI Starter Kit for the NVIDIA Jetson Orin Nano turns the NVIDIA Jetson Orin Nano into a learning and educational kit ...
CNET

I Was Tired of My LED Bulbs Dying, So I Hunted Down an Expert for the Cold, Hard Truth

I've completely swapped my home over to LED lights, and for the most part, I love it. The energy savings are real, and I'm a sucker for all the smart color changing tes. But my biggest grievance is ...