This 80's Hands On Electronics circuit automatically switches from high light to low light when an oncoming car illuminates the sensor. The circuit is powered by the car's own battery.
Found in General Electric's 1966 documentation, this circuit uses company reference diodes, which are...
This circuit uses a wire potentiometer, but the current is much more intense in the control thanks...
In the figure we have another application for the LT3518 integrated circuit from Linear Technology...