This control circuit using a low voltage switch was found in the September 1987 Radio Electronics magazine. The triac must be matched to the load and the mains voltage.
We found this circuit in the June 1991 issue of Radio Electronics magazine. The integrated circuit is...
This circuit was found in a 1967 RCA documentation. The components are of the time. The circuit...
This timer for short intervals was found in a documentation from 1966. The transistor is made of...