How-To Geek on MSN
You already own smart home sensors, even if you've never bought any
Use the signals you already have.
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 ...
From finding hidden metal to adjusting lighting, these hidden gems will change how you use your phone ...
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