Python GUI Serial Monitor

As an alternative to Arduino Serial Monitor, a GUI built with tkinter.

Dependencies

• Python 3.8.6
• pySerial v3.5

How to install pyserial

python -m pip install pyserial

How to launch

python serial_monitor.pyw

Key features

• Supports interactive display for both received and transmitted characters as well as show timestamp.
• Supports use of 8-bits escape sequence for both \xXX (hexadecimal \x00 to \xff) and \OOO (octal \000 to \377) to send to. Escape characters \\ (backslash), \' (single quote), \" (double quote), \0 (null), \a (bell), \b (backspace), \t (tab), \n (newline), \v (vertical tab), \f (form feed), and \r (carriage return) also supported. It also reports error on parsing with highlighted text.
• Maintains a history of texts you have sent. By using the up and down arrow keys, you can recall previously-entered texts from history list to the entry text line to send to.
• Supports display in hexadecimal code.
• Realtime port scanning and error reporting.
• A port can be selected from the list on the fly.
• All settings are maintained when closed, include current active port.

List of files

Filename	Description
serial_monitor.pyw	Main Python script
serial_monitor.png	Application icon
serial_monitor.cpython-38.pyw	Python byte code generated by Python builtin module py_compile
serial_monitor.7z	Compressed standalone application for Windows (requires no Python), bundled by PyInstaller v4.3
README.md	This readme

Demo with pictures

 

Fig. 1. Serial Monitor in action.

 

Fig. 2. Entry console right click floating menus.

 

Fig. 3. Output console right click floating menus.

 

Fig. 4. Port setting child window.

 

Fig. 5. Error while parsing escape sequence character.

 

Fig. 6. Error message box popup when the current active serial port detached.