This circuit protects the speaker from dangerous direct currents that could damage it. The circuit is from an Electronics Experimenter Handbook 1993 edition.
This project shows how to use an SCR in a starter circuit for a common fluorescent lamp. The SCR...
Found in a 90s Popular Electronics, this circuit provides sinusoidal signals at frequencies given by the...
November 2016 - Mouser Electronics is indicating in its inventories the new NXP Kinetis L MCUs....