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Amazon.com: SunFounder Reader Module Kit Mifare RC522 Reader Module with S50 White Card and Key Ring Compatible with Arduino Raspberry Pi : Electronics
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SparkFun 2D Barcode Scanner Breakout-Read 20 Different Barcode symbologies (Both 1D & 2D)- On-Board Image Processing-Decode UPC Codes to QR Codes-Features 2 LEDs Illumination & Aiming: Amazon.com: Industrial & Scientific
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SparkFun 2D Barcode Scanner Breakout-Read 20 Different Barcode symbologies (Both 1D & 2D)- On-Board Image Processing-Decode UPC Codes to QR Codes-Features 2 LEDs Illumination & Aiming: Amazon.com: Industrial & Scientific
Amazon.com: Fingerprint Reader Sensor Module FPM10A Optical Fingerprint Fingerprint Module Locks Serial Communication Interface for Arduino : Electronics
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QR Code Scanner Module | 2D Barcode Scanner and Display using Arduino – RAKwireless Store