5v and 12v power supply 5v 12v supply power dc circuit using diagram dual voltage 3a regulator 2a transistor circuits zener two convert eleccircuit change 12v & 5v dual power supply circuit
5V to 12V Step Up DC-DC Converter - Electronics-Lab.com
12v To 5v Schematic
Supply power circuit 12v 5v dual dc voltage regulator using gadgetronicx 7805 circuits pcb diy ic electronic electronics projects transformer 5v to 12v step up dc-dc converter