This circuit was published in a 90s Radio Electronics. The circuit uses the well-known LM386 that appears in a large number of projects on this site.
We found this circuit in Radio Electronics magazine from May 1967. The circuit has the tuned...
This circuit is based on a regulator component that consists of a transistor and zener in the same...
This circuit, based on a 555, was found in a Popular Electronics from the 90s. The circuit has the...