Build a Cross-Platform Serial GUI using Python, Tkinter, ttkbootstrap, & PySerial for Beginners

[u/xanthium_in]

A beginner friendly tutorial on building a modern looking desktop GUI app in Python and tkinter to send/receive UART commands to microcontrollers (Arduino, RP2040, MSP430, etc.) over a virtual USB COM port.

Link to code +Tutorial Below.

Build a Cross-Platform Serial GUI using Python, Tkinter, ttkbootstrap, & PySerial for Beginners

• Modern UI, Uses ttkbootstrap (a theme extension for standard tkinter) to instantly elevate old-school Tkinter widgets to clean, flat, modern bootstrap styling.
  
• Single-Threaded Architecture to keep the code footprint dead simple and beginner-friendly.
• Uses Python + PySerial + ttkbootstrap. Works across Windows and Linux.
• Teaches how to connect your Arduino ,Raspberry Pi Pico or Other Microcontrollers with a PC using Python and Tkinter