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214 Stars 94 Forks MIT License 28 Commits 6 Opened issues


Android terminal app for devices with a serial / UART interface connected with a USB-to-serial-converter

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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


  • permission handling on device connection
  • foreground service to buffer receive data while the app is rotating, in background, ...


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


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.

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