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 ...

Place Any Space Smart Smoke and Carbon Monoxide Detector review

There are four Place smoke and CO detector models, purpose built for the kitchen, nursery, garage, and outside sleeping areas ...
IEEE

A Single MEMS Sensor Based on SnO₂ Nanosheets for Selective Gas Identification

Abstract: In recent years, the challenge of poor selectivity in a single gas sensor has received significant interest. This work presents a facile method for the concurrent analysis of sensor ...
IEEE

MXene-Based Flexible Substrate Integrated Waveguide Acetone Gas Sensor

Abstract: This article presents a microwave sensor utilizing an MXene-coated flexible substrate integrated waveguide (SIW) cavity for detecting acetone gas in environmental monitoring and industrial ...
CNX Software

ESP32-P4 learning and prototyping kit features 7-inch touchscreen, comes with 16 modules and AI lessons

Elecrow “All-in-One Starter Kit for ESP32-P4” is an open-source learning and prototyping platform based on the ESP32-P4 ...
Newsweek

Gas Prices Plunge to Lowest Level in Nearly Five Years

Gas prices nationwide have plunged to their lowest level in over four years, according to data from the Dallas-based fuel savings platform GasBuddy, with a gallon of regular gas at the pump costing ...
The White House

Gas Prices Plunge to New Multi-Year Low — and They’re Trending Lower ⛽

The nationwide average for regular gas is at its lowest level in 1,681 days — and trending lower. According to GasBuddy, average gas prices have dipped below $3 per gallon in 37 states, below $2.75 ...