arduino and android OTG

#1

I am trying to interface arduino with my android phone but,I am not able to interface it with OTG cable,can anyone suggest me a solution.

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#2

You can interface it with UART communication,you can use arduino’s main serial or software serial for communicating it.You have to just write Serial.print and serial.read.You have to make an android application for this to receive and transmit the data.

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