[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 expand your smart home setup but don't know where to start, consider these five essential gadgets for ...

I built a homebrew environmental sensor that cost R535.90, and found that there were very few benefits over buying a commercial version of the product. Some time ago, I came upon the idea that it ...