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.
This telegraphy circuit generates an audio tone from a pure RF carrier. We found it in a...
Found in Popular Electronics from the 90's, this circuit uses 555 integrated and common...
This circuit was obtained in a 1982 English magazine. It is a regulator for outputs between 1 and...