How To Make Soldering Iron Using Pencil

#Solderingiron
In this tutorial, I learn you how to make a DYI soldering iron with pencil, at home. Because of the leakage of current, this soldering iron is not recommended for sensitive electronics (computers, digital converters, digital amplifiers, digital communications equipment, electrical devices that contains a semiconductor or an integrated circuit board as a key element),
Items used to make this soldering iron: one graphite pencil, a USB cable and a 5V / 2.0A DC adapter.
WARNING: This "how to" video is meant for educational and entertainment purpose only.