Power Supply Using Only Four Parts DIY 12V Dc 2A

Very easy to make power supply for your car stereo and many more devices. 12v 2A DC

Parts needed:

1x transformer 220 to 9 v OR 110V to 9V 2A

1x Capacitor 6800mf 50V

1x Ceramic capacitor 100nf

1x Bridge Rectifier 600V 4A