We found this mains-powered switch circuit in Electronics Now magazine from July 1994. It could be used in a table lamp or touch control.
This circuit was found in the October 1989 issue of Radio Electronics magazine. It drives an...
The transistors in this circuit from an English publication in 1980 may be the BC548. Operational...
This is one of many circuits of this type that can be found in this section. This one is taken from...