Found in an American publication from the 90s, this circuit allows the supply of 3, 6 and 9 V devices with currents up to 1.5 A in the car.
The frequency of the square signal produced by this circuit depends on the light falling onto the...
This circuit can be used as a clok in digital applications. Power supply is 5-V and the pins for...
This interface or shield circuit provides an output 1 from 3.3 V logic. The circuit is from old...