I have an optical tape reader reference Eeco and I want that once the band (with 8 holes + a small hole "sprocket hole") going on inside I can acquire data written on punched tape. I started by connecting the Arduino Uno board with card reader linked to strip connector 25 pins and I put a program to read the 8 bits of data out of the connector but I'm stuck on the signal generated by SPKT "sprocket holes. "
Is that the data do not change at that the time of activation SPKT signal or not?
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