This circuit was published in an article in Electronics Now magazine in October 1995. The circuit includes a power supply. The power transistors are equivalent.
One 4018 is used to divide the frequency of a digital signal by ten as shown here. The maximum...
This circuit is from a Poptronics, American magazine of August 2000. The circuit can be assembled with...
The circuit presented is from an old magazine having been translated and published in a national...