Pairing with my Android phone wasn't easy. Not all required QR codes were recognized/decoded. If it were possible to turn off the indicator light to allow the laser to do its job, maybe I could be of some help. I have a very old but reliable USB scanner connected to a computer that can successfully read any QR code I present to it. This Bluetooth scanner could only decode about 70% of them.
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π¨οΈ POOOLITECH Wireless Sticker Printer: Inkless Mini Pocket Photo Printer for Smartphone & PC β Print Logo, Notes, Journal, List, and Memo Effortlessly
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JOYUSING 8MP Document Camera for Teachers - VGA/HDMI/USB Three Mode, Mac, Windows, Chrome Compatible - Ideal for Online Teaching, Distance Learning, and Web Conferencing
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