This circuit only works with incandescent lamps and the frequency is adjusted in the pot, depending also on the capacitor. The triac must be equipped with a heat sink. The circuit is from an 80s manual.
Found in old American documentation, this circuit is current as it uses the 555 to modulate an...
This audio amplifier uses 3 transistor in a traditional configuration named complementary output....
The UM3562 integrated circuit is a dedicated circuit found in many toys because it generates three types...