Introduction: OTG Charging Cable
Charge you mobile phone using this charging cable from another OTG mobile phone
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Step 1: Instruction to Make a Charging Cable
It could happen that your mobile phone does not have charge. Battery is dead. You forgot you power bank or your power bank itself not charged. But the surrounding people may have charge in their mobile. This cable will help you to borrow charge from others OTG mobile.
Its very easy to make. you have to connect two micro USB ( Type-B) plug parallely. But at the OTG side means the side which will be connected to the other mobile (power source) the pin 4 (Sense) should be connected with pin 5 ( GND).
Try it, and carry one with you. :)