Found in 90s Popular Electronics, this circuit fires a load through a MOSFET from an audio signal applied to the input. Power supply is done according to the load.
Toshibas IC Brushless Motor Drivers Toshiba offers through Mouser Electronics a broad range of...
This circuit was found in an American magazine 73 for radio amateurs of the 80s. It is an...
This sophisticated repellent uses a double 555. We find it in an American documentation from the...