... LCDcontroller, 2 marking pins) CNC Automatic 3.5" LCD Touch Screen Marking MachineBasic principlesComputer controls marking-needle to move ... and graphs. Major functionsSoftware applicable on 3.5" LCD touch screen controller, has strong editing functions, without ... serial No., Arabic numerals, arbitrary figure, incrementing serial No., graphics, VIN code, time, date, barcode reading marking, ticket, ...