Under this name, Radioelectronics magazine published in the January 1974 issue a light exposure meter for photographers. The circuit used general-purpose transistors and a FET, with an LDR sensor.
This 1992 circuit has a diode normally replacing the diac that is used in this type of...
This oscillator was found in the January 1996 issue of Electronics Now magazine. The frequency is given by...
This circuit divides the voltage of a source by 2, allowing its use as a symmetrical source. In...