This circuit appeared in the 1991 Electronics Experimenter Handbook. The circuit is for remote controls of the time that are slower than today's and may not work with modern types.
The presented circuit can be implemented with a BC548 and for larger currents a BD135 can be used....
This circuit works directly connected to the network and special care must be taken with its...
Suitable for dual applications, this timer was found in a 90s Popular Electronics. The circuit...