Tony Goacher] has worked with a lot of cheap brushless DC motor controllers built in China. They can be very cost-effective, ...

ESP32s are surprisingly good AI lie detectors.

The SCD43 is a CO2 sensor by Sensirion that simultaneously measures CO2 concentration (400–5000 ppm), temperature, and relative humidity over I2C. It uses Sensirion's PASens® photoacoustic sensing ...

Abstract: The air quality affects human health and energy. High levels of carbon dioxide in the air can cause serious ailments of a human body. Due to the increased attention to this issue, it is ...

As humans burn fossil fuels and pump carbon dioxide into the atmosphere, we are heating up the planet. But there is another alarming impact of this climate pollution: it may be changing the chemistry ...

An ant that can turn carbon dioxide in the air into dolomite stone in its exoskeleton may hold clues to how humans can sequester greenhouse gases to avert climate disaster. Fungus-farming ants forage ...

There is widespread recognition that efforts to meet global climate targets cannot be met by curbing new carbon dioxide emissions alone and will also require removing carbon from the atmosphere at ...

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 ...

Patients are being warned to stop using some glucose monitors made by Abbott Diabetes Care after the company found malfunctioning sensors may be linked to hundreds of adverse events and several deaths ...

Surging emissions from wildfires may have been behind the increase, which was the largest since modern measurements began more than half a century ago. By Raymond Zhong and Sachi Kitajima Mulkey The ...