Direction Signal (CB25608E)

This circuit was found in the September 1993 Electronics Now magazine. It is based on the 555 and powers an audible indicator.

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Electronic Bongo (CB19817E)
We found this circuit in an old documentation. The integrated circuits used are specific to...
Electronic Bongo (CB19816E)
The integrated circuit used in this application is uncommon today and specific to the application, as it...
Classic Buzzer (CB26048E)
This 3-transistor buzzer or buzzer is a classic type found in the July 1998 issue of Electronics Now...