This circuit for the power grid was found in the June 1969 Radio Electronics magazine. The SCR and diodes are rated according to the power of the controlled load.
This phase inverter with transistors, used in audio amplifiers, was found in a French publication from...
With the illustrated circuit we can run a DC motor in one direction or the other, depending on...
Motors up to 2 A DC can be controlled by this circuit that we find in the manual for linear...