This circuit was found in an American 1990s documentation. It can directly trigger a triac when light is detected by the sensor. The integrated circuit is common, like the 741.
This was the original title given by the publication of the 80s in which we found it. Similar...
This general-purpose transistor amplifier stage was found in the November 1993 issue of...
This circuit was found in an Electronic Design from 1968. Its purpose is to produce synchronized trigger...