We may receive a commission on purchases made from links. Having a laptop means traveling with more gadgets in your bag, even if you're just commuting to work. A USB hub for reading an SD card, an ...

A sound sensor is a simple, easy-to-use, and low-cost device that is used to detect sound waves traveling through the air. Not only this but it can also measure its intensity and most importantly it ...

For all the recent headlines on climate extremes across the United States and Europe, climate change is significantly more dramatic in the Arctic. Several recent studies suggest that the Arctic is ...

This is an Arduino Library to control the KT0915 DSP receiver from KTMicro. The KT0915 is an integrated circuit that provides full band receiver on FM and AM (MW/SW/LW). I hold a Master's degree in ...

The chances are you’ve seen the myriad cheap copyright-infringing edge-lit acrylic displays from Chinese suppliers everywhere on the internet, and indeed, etching acrylic with a modest CNC laser ...

Noise pollution has really started to gain importance due to high population density. A normal human ear could hear sound levels from 0dB to 140dB in which sound levels from 120dB to 140dB are ...

The article was first published in November 2005 and has recently been updated. Water is a vital but scarce natural resource. To prevent water wastage, this water tank overflow indicator comes in ...