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 ...

[mircemk] shows how to create a simple non-contact proximity sensor using little more than an Arduino Nano board, and a convenient software library intended to measure the value of capacitors. The ...

Rhenn is a Manila-based content writer with a love for all things geek and pop culture, and science and technology. He has over 1,900 articles to his name, most of which exploring the many dimensions ...