This circuit for effects on music synthesizers was found in the May 1983 issue of Radio Electronics magazine. The circuit requires a 15 V power supply.
This game was found in an old Popular Electronics. The unijunction transistor can be 2N2646. The...
This circuit interrupts the power supply when grounding is missing. The circuit is from an old...
In figure 1 we have a circuit that turns on after a certain time and then turns off, also after a...