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root access - Is there a definite way to know if my phone supports USB-OTG or not? - Android Enthusiasts Stack Exchange
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Android USB Host + Arduino: How to communicate without rooting your Android Tablet or Phone – Using Android in Industrial Automation
Delphi-Android-USB-HID/android.hardware.usb.UsbManager.pas at master · LongDirtyAnimAlf/Delphi-Android-USB-HID · GitHub
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Serial connection error: java.lang.NoClassDefFoundError: android.hardware. usb.UsbManager - #4 by Taifun - MIT App Inventor Help - MIT App Inventor Community
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Serial connection error: java.lang.NoClassDefFoundError: android.hardware. usb.UsbManager - #4 by Taifun - MIT App Inventor Help - MIT App Inventor Community
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