Low-level fugitive CH 4 leaks caused by gas compressor dry seals can be difficult to detect with conventional gas detectors ...

[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 ...

If you’re looking to upgrade your SimpliSafe home security system, you’ll be glad to know that most setups allow you to easily add new sensors. In fact, there are two different methods you can use – ...