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 circuit, which is part of a percussion instrument, was found in the September 1979 issue of...
The diodes are for general use and the transistors also in this Exclusive-OR circuit. The circuit may...
The frequency of this small transmitter, from a 1978 foreign publication, depends on the crystal. The...