I have an arduino uno and a xiaomi redmi note 9 pro phone. I am trying to connect it via an OTG cable (I did it myself) but there is NO reaction. Does not put tension on the arduino. I connected 4 cables (+, -, data +, data-) according to the drawing. And there is NO reaction, no electricity. "Cable USB B" and "device USB A"
WTF?
What does 'WTF?' mean?
Have you googled how to make the OTG cable? Did you follow what it said?
in USB type B what is used for Arduino connection to the PC there are 4 wires like in USB typa A. So i maded these cable to connect to handy. Sorry for bad name, but thats simple 2 cables (one female, second male 4 wires and thats all) and it is NOT WORKING. Do you know any other 5,6,7 wiring cables USB type B ?
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