The presented schematic shows how to build a simple PIR motion sensor. PIR sensors allow motion sensing, it is almost always used to detect whether someone has moved in or out of the sensors range.

Usually, when you need to sense something in a project, the answers are straightforward. Want to sense air temperature? There’s a sensor for that. Particulate content in the air? There’s a sensor for ...

Samsung has steadily risen in popularity over the years to become one of the most sought-after Android phone brands. In fact, according to Statista, the South Korean-based company has supplied a ...

In analytical chemistry, it is often necessary to accurately monitor the concentration change of certain substances in liquids on a time scale of seconds. Especially in the pharmaceutical industry, ...

An infrared temperature sensor is a tool I would like to add as another essential tool to your press room. They cost only about $100 which is very little in comparison to the payback they offer. I ...