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Hi, There you can download APK games file "Serial USB Terminal" for Android free, apk file version is 1.56 to download to your android device just click this button. It's easy and warranty. We provide only original apk files. If any of materials on this site violates your rights

Screenshots of Serial USB Terminal
  • Serial USB Terminal
  • Serial USB Terminal
  • Serial USB Terminal
  • Serial USB Terminal
  • Serial USB Terminal
  • Serial USB Terminal
  • Serial USB Terminal
  • Serial USB Terminal
  • Serial USB Terminal
  • Serial USB Terminal
  • Serial USB Terminal
  • Serial USB Terminal
  • Serial USB Terminal
  • Serial USB Terminal
  • Serial USB Terminal
  • Serial USB Terminal
  • Serial USB Terminal
  • Serial USB Terminal
Description of Serial USB Terminal

'Serial USB Terminal' is a line-oriented terminal / console app for microcontrollers, arduinos and other devices with a serial / UART interface connected with a USB to serial converter to your android device.

This app 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

To connect USB to serial converters, your android device must support USB OTG aka. USB host mode. Most devices support this today, but in case of issues check with one of the various USB test apps, if host mode is enabled in your android kernel.

All features in this app are free. In-App purchase is only used for the 'Donate' option.

Looking for source code? Here you find a simplified variant of this app:
https://github.com/kai-morich/SimpleUsbTerminal

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Version history Serial USB Terminal
New in Serial USB Terminal 1.56
1.56 2025-03-17
FIX single CR handling for newline CR+LF setting
1.55 2024-07-21
NEW flow control for FTDI, PL2303, CP210x
1.54 2024-06-02
NEW disable send button if send takes more than 0.2sec
FIX sending large data at very low baud rate caused 'connection lost'
FIX reduce CPU/battery usage when control lines are shown
1.53 2024-01-12
FIX improved notification enabling
New in Serial USB Terminal 1.55
1.55 2024-07-21
NEW flow control for FTDI, PL2303, CP210x
1.54 2024-06-02
NEW disable send button if send takes more than 0.2sec
FIX sending large data at very low baud rate caused 'connection lost'
FIX reduce CPU/battery usage when control lines are shown
1.53 2024-01-12
FIX improved notification enabling
1.52 2024-01-09
NEW added "Settings > Misc. > Show notification when connected" because not shown in notification bar by default on Android 14
New in Serial USB Terminal 1.53
1.53 2024-01-12
FIX improved notification enabling
1.52 2024-01-09
NEW "Settings > Misc. > Show notification when connected" because not shown in notification bar by default on Android 14
FIX Android 14 USB permission dialog response handling
1.51 2023-12-17
FIX Android 14 USB permission dialog
1.50 2023-11-25
FIX improved composite CDC devices support
1.49 2023-06-18
NEW show active logging in toolbar
1.48 2023-05-01
NEW macros with repeat option
New in Serial USB Terminal 1.52
1.52 2024-01-09
NEW "Settings > Misc. > Show notification when connected" because not shown in notification bar by default on Android 14
FIX Android 14 USB permission dialog response handling
1.51 2023-12-17
FIX Android 14 USB permission dialog
1.50 2023-11-25
FIX improved composite CDC devices support
1.49 2023-06-18
NEW show active logging in toolbar
1.48 2023-05-01
NEW macros with repeat option
New in Serial USB Terminal 1.51
1.51 2023-12-17
FIX Android 14 USB permission dialog
1.50 2023-11-25
FIX improved composite CDC devices support
1.49 2023-06-18
NEW show active logging in toolbar
1.48 2023-05-01
NEW macros with repeat option
1.47 2023-03-11
NEW detect CDC devices by USB interface types instead of fixed VID+PID -> no more driver selection required for standard CDC devices
New in Serial USB Terminal 1.50
1.50 2023-11-25
FIX improved composite CDC devices support
1.49 2023-06-18
NEW show active logging in toolbar
1.48 2023-05-01
NEW macros with repeat option
1.47 2023-03-11
NEW detect CDC devices by USB interface types instead of fixed VID+PID -> no more driver selection required for standard CDC devices
1.46 2022-07-31
NEW timestamp format with date
NEW smaller font size configurable
FIX spacing for HEX display mode
FIX PL2303G detection
New in Serial USB Terminal 1.49
1.49 2023-06-18
NEW show active logging in toolbar
1.48 2023-05-01
NEW macros with repeat option
1.47 2023-03-11
NEW detect CDC devices by USB interface types instead of fixed VID+PID -> no more driver selection required for standard CDC devices
1.46 2022-07-31
NEW timestamp format with date
NEW smaller font size configurable
FIX spacing for HEX display mode
FIX PL2303G detection
1.45 2022-04-12
FIX crash on Android 12 at Settings->Misc->Save+log folder
New in Serial USB Terminal 1.48
1.48 2023-05-01
NEW macros with repeat option
1.47 2023-03-11
NEW detect CDC devices by USB interface types instead of fixed VID+PID -> no more driver selection required for standard CDC devices
1.46 2022-07-31
NEW timestamp format with date
NEW smaller font size configurable
FIX spacing for HEX display mode
FIX PL2303G detection
1.45 2022-04-12
FIX crash on Android 12 at Settings->Misc->Save+log folder
New in Serial USB Terminal 1.47
1.47 2023-03-11
NEW detect CDC devices by USB interface types instead of fixed VID+PID -> no more driver selection required for standard CDC devices
1.46 2022-07-31
NEW timestamp format with date
NEW smaller font size configurable
FIX spacing for HEX display mode
FIX PL2303G detection
1.45 2022-04-12
FIX crash on Android 12 at Settings->Misc->Save+log folder
1.44 2021-09-24
FIX double send with external keyboard
FIX some PL2303G product IDs
New in Serial USB Terminal 1.46
1.46 2022-07-31
NEW timestamp format with date
NEW smaller font size configurable
FIX spacing for HEX display mode
FIX PL2303G detection
1.45 2022-04-12
FIX crash on Android 12 at Settings->Misc->Save+log folder
1.44 2021-09-24
FIX double send with external keyboard
FIX some PL2303G product IDs
1.43 2021-05-16
NEW support PL2303GC/GB/GT/GL/GE/GS
NEW custom baud rates for PL2303TA/TB
1.42 2021-03-07
FIX crash in control line display
New in Serial USB Terminal 1.45
1.45 2022-04-12
FIX crash on Android 12 at Settings->Misc->Save+log folder
1.44 2021-09-24
FIX double send with external keyboard
FIX some PL2303G product IDs
1.43 2021-05-16
NEW support PL2303GC/GB/GT/GL/GE/GS
NEW custom baud rates for PL2303TA/TB
1.42 2021-03-07
FIX crash in control line display
1.41 2021-03-05
FIX more responsive UI when reading a lot of data or when resuming from background with a lot of new data
FIX file upload in raw mode + character delay
New in Serial USB Terminal 1.44
1.44 2021-09-24
FIX double send with external keyboard
FIX some PL2303G product IDs
1.43 2021-05-16
NEW support PL2303GC/GB/GT/GL/GE/GS
NEW custom baud rates for PL2303TA/TB
1.42 2021-03-07
FIX crash in control line display
1.41 2021-03-05
FIX more responsive UI when reading a lot of data or when resuming from background with a lot of new data
FIX file upload in raw mode + character delay
1.40 2021-01-03
NEW send BREAK signal
New in Serial USB Terminal 1.43
1.43 2021-05-16
NEW support PL2303GC/GB/GT/GL/GE/GS
NEW custom baud rates for PL2303TA/TB
1.42 2021-03-07
FIX crash in control line display
1.41 2021-03-05
FIX more responsive UI when reading a lot of data or when resuming from background with a lot of new data
FIX file upload in raw mode + character delay
1.40 2021-01-03
NEW send BREAK signal
New in Serial USB Terminal 1.42
1.42 2021-03-07
FIX crash in control line display
1.41 2021-03-05
FIX more responsive UI when reading a lot of data or when resuming from background with a lot of new data
FIX file upload in raw mode + character delay
1.40 2021-01-03
NEW send BREAK signal
NEW show hints again with Settings->Misc->Hints
FIX discard old data exceeding buffer size already in background service to avoid high memory usage when doing long term logging
New in Serial USB Terminal 1.40
1.40 2021-01-03
NEW send BREAK signal
NEW show hints again with Settings->Misc->Hints
FIX discard old data exceeding buffer size already in background service to avoid high memory usage when doing long term logging
1.39 2020-10-03
NEW support PL2303 non standard baud rates
1.38 2020-08-27
FIX log data to file with 'Send->Local echo' setting off
FIX disable auto correction
New in Serial USB Terminal 1.39
1.39 2020-10-03
NEW support PL2303 non standard baud rates
1.38 2020-08-27
FIX log data to file with 'Send->Local echo' setting off
FIX disable auto correction
1.37 2020-07-26
NEW support serial control lines
NEW support CH341A
NEW settings in tabs instead of sub-screens. saves up to 1/3 of clicks as last tab is restored
1.36 2020-03-01
FIX CP2102N initialization
1.35 2020-02-15
FIX support more CH340 variants
New in Serial USB Terminal 1.38
1.38 2020-08-27
FIX log data to file with 'Send->Local echo' setting off
FIX disable auto correction
1.37 2020-07-26
NEW support serial control lines
NEW support CH341A
NEW settings in tabs instead of sub-screens. saves up to 1/3 of clicks as last tab is restored
1.36 2020-03-01
FIX CP2102N initialization
1.35 2020-02-15
FIX support more CH340 variants
New in Serial USB Terminal 1.37
1.37 2020-07-26
NEW support serial control lines
NEW support CH341A
NEW settings in tabs instead of sub-screens. saves up to 1/3 of clicks as last tab is restored
1.36 2020-03-01
FIX CP2102N initialization
1.35 2020-02-15
FIX support more CH340 variants
1.34 2020-02-02
NEW support timestamp+hex in log files
NEW support multiple USB devices
NEW show vendor+product name from CDC and custom devices
1.33 2020-01-12
NEW send history
NEW support multi-port CDC devices
New in Serial USB Terminal 1.31
1.31 2019-08-03
NEW save to custom folder
1.30 2019-07-20
NEW setting for optional 'auto scroll to end of buffer'
1.29 2019-06-22
1.28 2019-06-19
1.27 2019-06-04
FIX Android 9 crash workaround after deep sleep
1.26 2019-05-06
FIX reuse app instance on USB device detect
1.25 2019-04-22
NEW undo clear
NEW file upload raw mode
1.24 2019-03-16
NEW file upload
1.23 2019-01-27
NEW character delay
New in Serial USB Terminal 1.30
1.30 2019-07-20
NEW setting for optional 'auto scroll to end of buffer'
1.29 2019-06-22
1.28 2019-06-19
1.27 2019-06-04
FIX Android 9 crash workaround after deep sleep
1.26 2019-05-06
FIX reuse app instance on USB device detect
1.25 2019-04-22
NEW undo clear
NEW file upload raw mode
1.24 2019-03-16
NEW file upload
1.23 2019-01-27
NEW character delay
New in Serial USB Terminal 1.29
1.29 2019-06-22
1.28 2019-06-19
1.27 2019-06-04
FIX Android 9 crash workaround after deep sleep
1.26 2019-05-06
FIX reuse app instance on USB device detect
1.25 2019-04-22
NEW undo clear
NEW file upload raw mode
1.24 2019-03-16
NEW file upload
1.23 2019-01-27
NEW character delay
FIX hex character duplication on some devices
FIX scrolling crash on some devices
1.22 2019-01-04
NEW help on sending control characaters. Visualize in caret notation, e.g. ^L for FF and ^[ for ESC
New in Serial USB Terminal 1.27
1.27 2019-06-04
FIX Android 9 crash workaround after deep sleep
1.26 2019-05-06
FIX reuse app instance on USB device detect
1.25 2019-04-22
NEW undo clear
NEW file upload raw mode
1.24 2019-03-16
NEW file upload
1.23 2019-01-27
NEW character delay
FIX hex character duplication on some devices
FIX scrolling crash on some devices
1.22 2019-01-04
NEW help on sending control characaters. Visualize in caret notation, e.g. ^L for FF and ^[ for ESC
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