In this video, I'm making a carbon monoxide monitor for my home using an MQ7 carbon monoxide sensor, a DHT11 temperature and humidity sensor, and a NodeMCU microcontroller board. This sensor is ...

Light aircraft often use a heading indicator as a way to know where they’re going. Retired instrumentation engineer [Don Welch] recreated a heading indicator of his own, using cheap ...

Astronomers with the Hobby-Eberly Telescope Dark Energy Experiment (HETDEX) have used data from the project to make the ...

One of the problems with being a graffiti artist is that you have to carry around a different spray can for each color you intend to use. [Sandesh Manik] decided to solve this problem by building ...

An electronic nose modeled on insect antennae simultaneously identifies gas mixtures and pinpoints their three-dimensional ...

Local-first wins.

Hennepin County Attorney Mary Moriarty launched a new effort to investigate potential unlawful behavior by federal agents during Operation Metro Surge.

The new sensor network with AI robots will improve composting safety and efficiency, the University of Tennessee researchers ...