This circuit was found in a Popular Electronics from the 90s. The effect circuit uses components that are still common today. In fact, the circuit has only 3 channels of 12 LEDs.
This circuit is from a 1968 documentation using one of the first integrated circuits available at the...
This circuit was found in a 1965 General Electric documentation. SCRs and unijunction may be...
This precision circuit can be implemented with other operational ones. We found it in a...