This shield circuit, from a documentation from the 70s, employs an optocoupler with two SCRs to control a small load of 1.5 W.
According to the 1990 documentation in which we found this circuit, the chickens must be fed at...
Although the integrated used originally is uncommon today, more modern operating equivalents can...
This circuit was found in a General Electric documentation from 1965. The purpose of this circuit is...