PCWorld explains how to create an affordable CO2 air quality monitor using a Raspberry Pi and MH-Z19C sensor for under $40. This DIY project helps monitor indoor air quality since high CO2 levels ...
There's no limit to what one can do with a Raspberry Pi. From using it as a laptop to emulating PlayStation 3 games, there are tons of projects on the internet that let you use the SBC in some ...
A reliable indicator of the air quality in offices, classrooms, or living rooms is the CO2 content. In fresh air, the concentration of carbon dioxide is around 400 ppm. This stands for “parts per ...
In the world of social media, “keeping receipts” refers to the practice of storing evidence that may come in handy for a callout post at a later date. For [Teddy Warner], though, it’s more applicable ...
When [Electron Impressions] used a powerful ultrasonic array to project a narrow beam of sound toward a target, he described ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results