230 volt Ac to 12 dc

1. Using Step down transformer :

At input terminal connect 230v AC signal and at output you will receive 12v dc supply.

2. Using Voltage Regulator :

connect the 230v power supply to input terminal of Voltage regulator and you will receive 5v dc.

 3. 12v Adapter :

you can get this 12v adapter from market easily. It will be easier for you to use it.

Components

230volt stup Down transformar
DI-IN4007
Capacitor -470 F & 25 volt
Regulator LM7812
Ciramic Cepacitor - 0.01 F