This circuit was obtained in old documentation, but it is valid for modern triacs that must be equipped with heat sink. The trigger element is an ordinary neon lamp.
We found this circuit in the March 1980 Radio Electronics magazine. The circuit used is the HA2400...
This simple circuit can be used in a robot that follows the light directly feeding a small motor....
This circuit was found in a telecommunications publication of 1978. Its purpose is to obtain...