Hello so here is the tutorial for power bank finally i make it there are lot of people traveling around the world and they need power bank so this power bank is portable and easy to carry when you travel around the world .
Each and every thing is shown also in video step by step and this is really easy diy do it yourself project anyone can make at their home easily
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Step 1: Circuit Diagram
This circuit is very easy there are three pins of lm7805 regulator make connection as shown in circuit diagram or if facing any difficulty watch video
Step 2: Hardware Required
- 9V Battery (800-2000mah prefered) with Clip
- Micro USB Cable
- LM7805 5V Regulator
- Card Sheet