This circuit is from a Radio Electronics from August 1992. The transistor used allows the control of motors up to about 5 A. It must be equipped with a heat sink.
This oscillator circuit for sinusoidal audio signals with operational 741 requires a symmetrical power...
Found in a 1974 Radio Shack documentation. This circuit must have a connection to the ground of...
This sensitive circuit detects the live pole of a power grid or outlet. The circuit makes use of a high...