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

In winter, it’s important to ventilate living and working spaces regularly. Here’s how to make a homemade measuring station ...

NYC mayoral inauguration bans Flipper Zero, Raspberry Pi devices

New York City's 2026 mayoral inauguration of Zohran Mamdani has published a list of banned items for the event, specifically ...
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

Low-Cost, Portable Streaming Server

Thanks to the Raspberry Pi, we have easy access to extremely inexpensive machines running Linux that have all kinds of GPIO ...
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 ...
GitHub

Code for an LED matrix clock and weather/air quality display running on a raspberry pi

You need a rasbperry pi 4 or greater, an Adafruit RGB Matrix HAT (or similar), RGB matrix, and sensors (I'm using sht31d, sgp30, and veml7700 from Adafruit). Once ...