Found in old documentation, this circuit uses an SCR like the TIC106 that must be equipped with a heat sink. The motor can be up to 3A.
This is the traditional configuration of a 6 or 12 V source with 7806 or 7812 integrated circuits, for a...
This fader or guitar fading circuit was found in an American documentation from the 1980s. The...
Found in documentation from the 1960s, this power supply employs germanium diodes from the time....