A common hacker upgrade to an espresso machine is to improve stability and performance with a better temperature controller, but [Schematix]’s Smart Coffee project doesn’t stop there. It entirely ...

An EZ-track R16 line of intrinsically safe, programmable liquid-level sensors provides continuous level monitoring in a variety of tanks. A magnetostrictive sensor monitors the position of a magnetic ...

Sometimes we need a non-contact liquid level sensor. There are several ways to build that, but the easiest is to try an optical liquid level sensor. You may already have an idea in mind since you are ...