This hybrid audio amplifier from National Semiconductor was found in the June 1994 issue of Electronics Now magazine. It is powered by 24 V.
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...