5v dc supply from a 230 volt standard input voltage.
Apparatus used:-
12012 STEP DOWN TRANSFORMER - 1
P-N JUNCTION DIODE - 4
ELECTROLYTIC CAPACITOR 1000
MicroFarad - 1
Resistor 1000 Ohm - 1
Zener Diode (breakdown voltage : 5V) - 1
Connectiong Wires
PCB Board
soldering equipments
