This circuit was found in a 90’s Electronic Design. The circuit uses components that are still common in the market and indicated for use in the car.
We found this circuit in an 80's Electronic Design. The circuit uses an integrated of the time....
In this circuit we have the use of a phototransistor of any type. The 47k resistor can eventually be...
In the figure we show how to use a common transformer by changing its secondary to obtain a...