Indicated for activation by microcontrollers, this circuit was found in the Radio Electronics magazine of December 1987. The MOSFET can be of any type according to the buzzer.
The 78XX series voltage regulator integrated circuits do not support an input voltage greater than...
With a 10 V input this circuit provides a 25 V output. The circuit is from December 1985 Radio...
Found in a 1966 General Electric documentation, this circuit controls an incandescent lamp from an...