This circuit can be used to power 6, 9 or 12 V devices in your car. The maximum current is 1.5 A. The circuit is from a 1983 Electronics Hobbyist Handbook.
This circuit using components that are still common in our market was found in a 1987...
This circuit is based on the well-known PLL 567 and can operate at 100 kHz. The transformer can be...
The simplest flip-flop can be built with two NAND gates as shown here. This is a Reset-Set [S-R]...