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SimpleUsbTerminal

This Android app provides a line-oriented terminal / console for devices with a serial / UART interface connected with a USB-to-serial-converter.

It supports USB to serial converters based on

  • FTDI FT232, FT2232, ...
  • Prolific PL2303
  • Silabs CP2102, CP2105, ...
  • Qinheng CH340, CH341

and devices implementing the USB CDC protocol like

  • Arduino using ATmega32U4
  • Digispark using V-USB software USB
  • BBC micro:bit using ARM mbed DAPLink firmware
  • Pi Pico
  • ...

Features

  • permission handling on device connection
  • foreground service to buffer receive data while the app is rotating, in background, ...
  • send BREAK
  • show control lines
  • RTS/CTS, DTR/DSR, XON/XOFF flow control

Credits

The app uses the usb-serial-for-android library.

Motivation

I got various requests asking for help with Android development or source code for my Serial USB Terminal app. Here you find a simplified version of my app.