Step 12: Create the Display Cable (...while the glue cures...) Parts used: Your backlit 20x4 LCD display (see Step 5 for the one I used) with a proper datasheet. 16 pin flat ribbon cable (e.g. from AVI Showtech, but every electronics shop should carry this) 16 pin female IDC connector (buy two or three to be on the safe side, e.g. from AVI Showtech, but every electronics shop should carry this) A screw clamp, a bench vise or a pipe wrench A cutting knife 16 pin DIL-header