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.
In the figure we have the simplest configuration with a voltage regulator transistor. The voltage...
This circuit originally came out in a Budget Electronics from 1981. The American magazine no...
This circuit was found in an Electronic Design from the 80's. It shows how to use a MOSFET driver with...