This project lets you manipulate the input of voltage from an Arduino microcontroller so that you enjoy of a power supply from 0 - 5 Volts. For getting the code, go to: http://pastebin.com/CDy28N55
What you will need:
Wire #22, 1.5m
Drill bit of 3/8"
Cutter of wires
In this step, you will observe the instructions for developing the project successfully. That is, observe carefully the schematic so that you can develop with success this project.