Found in a 1968 Electronics World, this circuit uses components from the era. In this circuit, a small incandescent lamp is activated when it gets dark.
This circuit was found in and old documentation of 1958 and uses complementary germanium...
This circuit consists of an oscillator that applies the signal to a transformer in order to obtain...
The SCR used in this 80's circuit depends on the load. The control is half wave and instead of the neon...