ESP32 MAC Address Reader Tool

A simple and efficient tool to automatically read and save the MAC address of ESP32 series chips during mass production testing.
Built with Python + esptool, supporting Windows platforms.

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✨ Features

• Scan available serial ports
• Read the MAC address of ESP32 chips
• Display both original MAC (with :) and processed MAC (uppercase, no :)
• Save results to a .txt file with timestamp
• Two working modes:
  • Fixed Index Mode: Only select the serial port index once, then continuously use it after each refresh
  • Dynamic Selection Mode: Re-select serial port every time
• Auto handle device disconnections
• Command-line based, easy and fast
• Support for packing into a single .exe for distribution (no Python environment needed)

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🛠 Environment Requirements

• Python 3.7+
• Windows 10/11
• pip packages:
  • pyserial
  • esptool
  • pyinstaller (optional, for exe build)

Install dependencies:

pip install pyserial esptool pyinstaller