We found this circuit in the October 1970 issue of Radio Electronics magazine. It uses the then-new CA3018 integrated circuit from RCA. Some resistors are required for best performance.
These basic bass controls were obtained from an article in Electronics Now magazine in February 1995....
With the presented circuit, random patterns are generated for the flashing of 8 LEDs, leading to a...
This circuit was found in Popular Electronics from 1969. The circuit uses a small speaker as a...