This circuit with a voltage comparator is delayed by the capacitor. The circuit drives a power transistor that must be equipped with a good heat sink.
This circuit was obtained from an old publication from 1974 but can still be assembled with some...
This level matrix display was found in a 1994 documentation, but it can still be assembled, as the...
This circuit can be implemented with any triac of the TIC series and the lamp must be...