Among the most normally observed power resource for lots of of our consumer electronics is definitely the 12VDC power supply. Typically, these ability provides will plug into a common 120V electrical outlet. Even though this is often the most widespread strategy to energy this sort of power source, you might find your self inside a circumstance where you have only access to a 240V outlet. In such cases, you are going to really need to make use of a 5V power supply.