This circuit was obtained in a 1967 Electronics World. The components are still common today, the SCRs can be replaced by equivalents and the unijunction transistors the 2N2646.
This simple rhythmic light circuit uses a 110 V to 220 V transformer and can hold a good number of...
This circuit was found in a 1980s Intersil documentation. The integrated circuit used is not...
This circuit was found in a 90’s Electronic Engineering. The integrated circuits are of the time...