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connecting STM32F4-discovery with Android through USB

Question asked by Moamen Ayman on Nov 29, 2016
Latest reply on Dec 9, 2016 by bauch.aaron.001
Hello, I'm trying to connect stm32f4-discovery with Android phone supporting otg through USB virtual port. The microcontroller should work as device and smart phone will be the host. I used CDC library on stm32f4 side and do I need driver for Android to communicate via USB? because when I connect stm32f4-discovery with phone I cann't send or receive any thing, moblie even doesn't feel that I have connected the kti with it!

            Thanks in advance