This simple circuit was found in the August 1984 issue of Radio Electronics magazine. The circuit monitors the power supply to a computer and has a backup battery.
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...