supvan

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eteriall / katasymbol-e12-lab

Open-source Python BLE toolkit and Tkinter GUI for reverse engineering and printing to KATASYMBOL/SUPVAN E12 label makers without the vendor mobile app

python printer reverse-engineering qr-code bluetooth ble tkinter thermal-printer label-printer thermal-printers e12 label-printers katasymbol supvan

Updated Jul 24, 2026
Python

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