This circuit is from an article that teaches how to assemble it in the magazine Electronics Now from July 1993. It uses a liquid crystal display module from the time with 3 and a half digits.
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...