This circuit is from a Texas Instruments manual from 1968 but can be applied to current controls using modern Triacs. The circuit is for a current of 25 A per triac.
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...