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PIC barcode reader (NW-7)

Barcode also outline some ofstandard, which is the NW-7 is a standard bar code reader by the hand scan prototype system. NW-77bit—14—3—01 NW 7-7-bit code standard, and is one of the four characters are three black bars and white bars and fine performance element to 0, with a diameter elements. Character than the width between the elements and fine. —0~9-$:/,+16—A~D4 Character is available -$:/,+ 0-9 in 16 species, and the start and stop character to character to use for the D-4 A species

Alternatif
PIC16F84 Datasheet