条码枪扫描经过下位机传递给上位机，并控制电机移位，达到扫描一个条码自动向下移位-Barcode scanning gun passed through the lower machine to the host computer, and control the motor displacement, reaching downward shift automatically scan a bar code

dt930扫描程序，用于条码扫描，程序简洁，可直接运用-Dt930 scanner.Used for barcode scanning, simple procedures.Can use directly

论文详细讲解了利用单片机制作条形码扫描仪的方法，以条形码中的交叉25码为例。-Paper detailed a single chip production method barcode scanner to barcode cross 25 yards for example.