This simple SCR delay circuit for activating a relay was found in documentation from the 1980s. The components used are common today.
We found this circuit in the October 1997 Electronics Now magazine. The circuit controls a solar...
The circuit shown makes it possible to power CD-players, tape players and other devices that use 2...
Activating a relay from the pulse (coming from a monostable, for example) can be useful in several...