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Neje Master 2S Plus - A40640 laser module to cut and engrave | I built RC airplane with this

Explore the capabilities of the Neje Master 2S Plus with its powerful A40640 laser module in this exciting video. Watch as I ...
IEEE

Design and Development of Semi-Automatic Electrical Incinerator Using Arduino and QR Payment Integration for Vending Machines

Abstract: The integration of the QR payment mode with GSM-operated vending machines presents a modern solution that combines the convenience of digital payments with the familiarity and accessibility ...