This simple circuit uses only a transistor and a relay as basic components. The setting of the operating point is made in P1. The supply can be made with voltages of 5, 6 or 12 V depending on the relay used.
This simple circuit uses only a transistor and a relay as basic components. The setting of the operating point is made in P1. The supply can be made with voltages of 5, 6 or 12 V depending on the relay used.