Found in a 90s Popular Electronics, this circuit can power a miniature railroad with voltages of 15 V and currents up to 1 A. The circuit has soft start effects.
This circuit makes simultaneous control of two up to 150 W incandescent lamps. The circuit is half wave...
This freezer alarm was found in a 1980s American documentation. The circuit uses a reed switch and...
The cut-off frequency of the circuit shown in the figure is 750 Hz, with the components used. The...