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 ...

Domestic researchers have developed a technology that can detect acetic acid, a major cause of sick house syndrome. Professor Kim Young-ki from Pohang University of Science and Technology (POSTECH) ...

For all electrically conductive Fluid or liquid level measurement, this single-chip circuit is very compact and simple. This circuit is a voltage level sensor encouraged the AC bias supply for the ...