The figure shows how to couple two CMOS circuits using an optical coupler to achieve isolation. The circuit is from a Radio Electronics from August 1992.
With the first project we present, a relay is activated in the presence of light. We can use it as...
The ZN414 is an uncommon integrated circuit currently used in the elaboration of very simple MW...
This circuit can be used to detect the signals from the previous circuit or from any radio...