Found in old American documentation, this receiver transmits signals via the power grid. We can use it on links or remote control. The components admit equivalents.
The Texas TL783 integrated circuit is a three-terminal high voltage regulator with a wide range of...
This circuit was obtained from ancient American documentation. The operational is from the time...
Found in Popular Electronics' 90s, this small megaphone is based on LM386. The circuit uses a high...