This 12V stepper motor controller was found in the August 1996 Electronics Now magazine. The circuit has a pulse input and the MOSFETs can be of virtually any type.
The block shown in the figure is a basic source with a configuration widely used in technical...
Found in July 1975, Radio Electronics magazine this circuit can use any operating circuit,...
This oscillator produces an audible signal on a piezoelectric transducer. The frequency is...