How can I pair an Android accessory with a USB serial port?

Question

In this situation: I am working on an Android tablet that should work in Accessory . The reason is that the tablet cannot provide enough power to communicate with the Serial USB microcontroller and continue to charge it.

To be successful, I must be able to establish several consistent conditions for Modbus/RTU

• Serial port address (i.e. COM1, COM2 ...)
• Bit Rate (19,200 bps)
• Data Bits (8)
• Stop Bits (1)
• Parity (No)

A great example in Delphi is Modlink .

A good guide would be UART https://github.com/ytai/ioio/wiki/UART

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https://github.com/mik3y/usb-serial-for-android https://github.com/ksksue/Android-USB-Serial-Monitor-Lite

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Answer 1

, FTDI Chip, , - USB/ftdi Android, :

FTDI UART TERMINAL

: http://www.ftdichip.com/Android.htm