UV (ultraviolet) sensors of all sorts have been an interest of mine. They become interesting when you find the diversity of real-world practical applications. While searching for affordable UV light ...

The Unihiker K10 is intended to be a small single-board solution for light AI and machine learning tasks. However, you don’t have to use it in that way if you don’t want to. [mircemk] ...

This project shows how to build a light gauge that uses an LED bar graph to show the measured brightness level. The function “gauge()” is a good example of using “if” statements to analyze sensor ...

As the quantified self movement continues to pick up momentum, the range of consumer devices tracking physiological signals is set to expand. But harvesting bio-signals requires specialist kit — which ...

If you’re anything like me you understand the power of Arduino but are stymied by limitations of education, imagination, or wireless connectivity to implement it into your own life. Thanks to the ...

Theremin is an electronic musical instrument that can be played without physical contact. When playing a Theremin, the performer controls the volume and pitch with his/her hand position relative to ...