This circuit was found in an Electronics World of 1968. It can be applied to any modern triac and the diac can be any type. The load depends on the triac.
We have in the figure as a monostable a proximity switch where our body capacitance (estimated at 200...
The gain for this circuit is given by the ratio between R2 and R1. The circuit is suggested by...
This 2004 circuit is based on the ionization effect that occurs in old incandescent lamps with...