This instructable video is show you how to increase the number of power port in arduino board. In arduino micro-controller we have only few pins for power. For example we have only 1 port for 5V power supply in arduino uno r3. When we require many 5V port than we connect so many jumper wire and use breadboard. As a result the wires are look like a net of wire. If we connect a wrong connection of wire. Then find out a wrong wire connection is quite difficult. To overcome these types of problems follow this instructable.
Here a link to get step by step process about Arduino hack :
http://www.instructables.com/id/Ardui...
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