Found in the 1975 RCA tube manual, this circuit appears elsewhere in this section. The circuit uses contemporary components and is powered by the power grid.
In this circuit found in a 1991 publication we can use the 2N2646 unijunction transistor and the...
Up to 0.5 A DC motors can be controlled by this circuit. Direction change is achieved by a logic...
This circuit was obtained in the publication 101 Electronics Projects of 1979. The circuit can be...