This circuit is part of an article published in the March 1990 issue of Radio Electronics magazine. The sensor consists of a grid-shaped electrode shown in the figure.
This circuit was obtained from a technical documentation from Texas Instruments. The TLE2201 is...
This circuit uses damped oscillations to test an inductor. It can also be used to find the...
This low-power benchtop circuit has an output for external use and other features. The circuit is from...