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Ever thought we can use our old mobile phone chargers to operate some electrical appliances? Are you thinking about making your own power supply instead of battery for your project? If not then, we can use our old mobile phone chargers to operate electrical appliances. So as you already know we can use our old mobile chargers to operate electrical appliances at our home, here is how we can make our own power supply instead of using batteries. 

We often do various projects and the most necessary thing is battery or a variable dc supply source. Since the variable DC supply box costs much so many of us use a battery as a temporary source. But we have to replace the battery after every half an hour because it gradually deteriorates. So these sources of energy are really going to bother a lot and we have to spend a lot of money on it. 
So, here we present a very cheap and efficient way to make your own power supply using mobile phone chargers in just 2 minutes by following a few steps.

The data cables in the mobile phone's charger consist of four wires if you remove the outermost layer of the charger. Out of which two wires are for data transmission and two are for charging. Generally, chargers consist of green, white, black and red wires. Green and White wires are for data transmission. And red and black wire that act as positive and negative terminal respectively with a potential difference of 5 volts between them.

Now, without wasting time lets do it:


Cut the wire of charger using scissors or knife as shown in the figure:


Peel the outer cover of cable and for data cables you can find 4 wires inside. You only need is only red and black wires as we are only working on making the power supply and on transmitting data so we can remove extra wires as shown in the figure:


As shown in above figure now we can easily get 5 volts output and use it on our project by connecting the charger in our project.

In order to get 10 volts output that we need in motor drivers we can make it by connecting to chargers in series which is shown below: 


Take another charger and repeat step 1 and step 2. Connect the chargers in series by connecting a positive terminal(red wire) of one charger to a negative terminal(black wire) of another charger as shown in the figure below.

Here you easily obtained 10 volts by bringing two chargers in series. We can also connect two batteries in series by following similar procedures. 

Now you can carry out with your project easily without buying a battery. And to make you believe that it is really working, we have attached a video file below in which we ran PC fan using two chargers in series and generating 10 Volts for fan by connecting red wire of fan to red wire of the data cable and black wire of fan to black wire of the data cable. 

If you have any queries regarding this or any other projects, do contact us at nasaelectronics157@gmail.com

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