How To Make Battery Charger Without Use Of Transformer

How To Make Battery Charger Without Use Of Transformer:-
 
As technology is increasing with leaps and bounds, it also make many interesting electronic circuits which are easy to make at home. One of them is the making of battery charger without the use of transformer. Here we are going to show its circuit and reveals the components used in it. The input to value of voltage to the circuit is AC 220V and the output is DC 3V.

 
                                                                       Circuit diagram



You can see the values of the components used below:

·         C1: 105 Kilo pico farad , 250 voltage capacitor

·         D1: IN 4007 Diode

·         D2: Light emitting diode indicator

·         D3 : IN 4007 Diode

·         R1 56 giga ohms resistor

·         R2: 220 Mega ohms resistor