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Raspberry Pi Qr Code Scanner Kiosk Barcode Scanner Module 2d Qr Code Reader Module Ttl/rs232/usb Interface Barcode Reader - Scanners - AliExpress
GitHub - OliviaLynn/Bluetooth-Beacon-Scanner: Continuous Bluetooth scanner: sends local Bluetooth beacon data from a Raspberry Pi to a UDP server
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How to Improve Python Barcode QR Code Scanning Performance on Raspberry Pi | Dynamsoft Developers Blog
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