This circuit causes the powered lamp to fluctuate in brightness by 20% intensity. It can be used in other applications. We found it in the April 1998 Electronics Now magazine.
The LEDs, in addition to flashing if the transistor is good, also indicate the polarity of the...
This circuit was found in a 1980 documentation. It is an interesting 3-track radio circuit whose...
This alarm circuit was found in the July 1992 Radio Electronics magazine. The circuit uses a small...