The transistor in this project found in the July 1994 issue of Electronics Now magazine can be any general-purpose type. The circuit is powered by the relay voltage up to 12 V.
This multivibrator has its frequency controlled by a crystal. Other frequencies can be generated by...
This circuit was suggested by a Radio Shack publication from the 1980s. The purpose of this...
With the help of a signal generator, this circuit makes it possible to test inductors and...