Have you ever needed to power a 12-volt relay in a circuit but only had 6 or 9 volts available? This simple circuit will solve that problem. It allows 12-volt relays to be operated from 6 or 9 volts, ...
Traditionally, passenger cars have come equipped with a 12-volt battery that starts the engine and powers other vehicle functions. But hybrid cars also have another, larger “traction” battery that ...