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1D/2D QR Barcode Scanner GM65 CMOS Low Power Consumption QR Code Reader

UPD431000ACZ-70LL D431000ACZ-70LL NEC Dip-32 1M-BIT STATIC CMOS 128K-WORD

GM65 1D 2D Barcode Reader Module, USB URAT 617nm 6500K, DIY with Cable Connector

10PCS CD4028BE CD4028 CMOS BCD-to-Decimal or Binary-to-Octal