This Hall effect sensor circuit was found in the July 1998 issue of Electronics Now magazine. It is suitable for experiments with magnets in laboratories and schools.
The figure shows how to use an LM3914 with a variable range moving point. The circuit has an...
This circuit interfaces audio signals with 50-ohm lines. The source must be symmetrical and the...
The circuit shown in the figure generates a square signal (50% active cycle) when the pressure switch...