This simple power supply circuit triggers when the light on the LDR reaches the level set on the potentiometer. The circuit is from an Electronics Now from July 1995.
We found this circuit in a Radio Electronics magazine from January 1975. The transistors are...
This circuit was found in an American publication in 1967. The circuit uses an operational device of the...
A frequency divider for digital signals can be constructed based on a single 4018 integrated...