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 ...
OMG! Ubuntu

Linux App Release Roundup (December 2025)

Got time for a final blast through smaller Linux app updates to round out 2025? There will be plenty of big new releases to ...

How to Block Ads on Every Device, Anywhere, with Pi Zero 2 W, Pi-Hole, and Tailscale

Filter ads across devices with Pi-hole and Tailscale on a Pi Zero 2 W, using a static IP and router DNS for smoother browsing ...
Catholic News Agency

The 3 o'clock prayer

You expired, Jesus, but the source of life gushed forth for souls and the ocean of mercy opened up for the whole world. O Fountain of Life, unfathomable Divine Mercy, cover the whole world and empty ...