Reading your questions, you should not get close to the 220V mains: it is very dangerous and could cause life hazards for you and or someone who uses your design!
yes guys i know,a step down transformer is a trasformer which converts high voltage into low voltage,and increases the current(amp).
and i am not joking guys!
dont get irritated please
yes guys i know,a step down transformer is a trasformer which converts high voltage into low voltage,and increases the current(amp).and i am not joking guys! dont get irritated please