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.
The gated oscillator shown here turns on when a “1" Iogic Ievel is applied to the input. The...
Found in a 90’s Radio Electronics, this circuit uses a component from the time, difficult to find today....
In the figure we have a circuit where two 555 operating one as astable and the other as monostable...