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Hello Everyone, I am trying to build a mobile phone charger (For my Samsung phone) by myself using following components. Step down transformer (from 230V to 9V 1200mA) Bridge Rectifier 1000uf capacitor (To smooth the DC voltage) 7805 Regulator (To get output voltage 5V) A micro USB cable I got from a broken charger. Appreciate if you can share your thoughts regarding this. Will this harmful to the phone or will this work better than the low quality Chinese chargers?