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 ...

Subscriptions, subscriptions, subscriptions. It was bad enough when your video streaming app, music app, and VPN required one. Now you've got subscriptions for shaving razors, dog toys, and beef jerky ...

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 ...

Keeping an eye on your network activity is an important part of network security, but did you ever consider it could be an ...

Recently, [Vinnie] aka [vinthewrench] moved from Oregon to Arkansas to start a farmstead. This is a style of farming that focuses not just on a profitable farm where produce is sold at market, but ...

Robotics is a fascinating field that has come a long way in recent years. What was once cutting-edge and prohibitively expensive for consumer-grade projects has rapidly become accessible to the hobby ...

Since the RP2040 microcontroller is available as a stand-alone component, it’s easy enough for third parties to churn out their own variations — or outright clones of — the Raspberry Pi Pico. Thus we ...

The government has cleared 22 new proposals under the Electronics Component Manufacturing Scheme (ECMS) involving Rs 41,863 crore in investment, with projected production of Rs 2.58 lakh crore and ...