This is the version of the previous circuit for vehicles with positive ground. The circuit is from a Radio Electronics from December 1976. A siren is included.
This is a reservoir level control project, in this case, using 4 sensors so that 4 different...
This circuit, obtained in a 1994 documentation, uses an SCR in a relaxation oscillator to raise the...
The power supply shown in the figure provides voltages between 0 and approximately 15 volts, with...