hello dosto kese he ap... aj ke is video me vfd ko rilay se kese operate karate he. or uska wiring diagram kese bnate he. or bi boht kuch he sikhne ke liye to video pura jarur dekhe. or pls pls pls like share and subscribe jarur kare or bel icon presh jarur kare jisse apko naye video ka updates mil sake. thanks