12v And 5v Dual Power Supply Circuit Diagram. Many projects in electronics require dual power supplies. Converting 220v ac into 12v ac using step down transformer.
Working of dual power supply circuit. Circuit diagram of 5v dc power supply. Voltage and frequency can depend on your country fuse.
To protect the circuit transformer rectifier capacitor filter an led indicator and the regulator ic.
12v 1a linear regulator using transistor and zener diode. This is a circuit of 12v 5v power supply. Voltage and frequency can depend on your country fuse. Learn many ideas of 5v 12v dual power supply circuit diagram using 7805 7812 2n3055 and zener diode up to 3a output current.