A When I was asked to make the program counter, where I had to make the barcode as a recording machine, without having to type the name of the goods or item code. in my mind, how to make a barcode? without linger long I drove straight to google to find info about barcodes. in the barcode that I tried to modify the program that I made, and it can be run successfully. for the fellow colleagues who want to learn for the manufacture of barcode,