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    Hi Tsuneo, I am facing a similar issue with a USB dot matrix printer . I want some tips to go forward with interfacing it with an ARM controller If possible , please give some sample codes to...
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  • Moving Message Display with AT89C2051 and Led Dot Matrix
    Hi 'sos', I'm attached two zips here but you cannot to see beacuse you don't have posts enough yet. You must have min. 25 posts to get a status "Junior member". After this you can see and download...
  • Centronics printer printing junk value
    I am interfacing Epson LX-300 printer with 8051 using the parallel port. I have used 8 data lines, i strobe and 1 busy line for this purpose. I am able to send data to printer and it works fine. The...