This is the main part of the VFD customer display, and the VFD Module can show the Price,Quantity, Amout information and so on. ( function(){ var aBigImageSrc = [ 'http://i00.i.aliimg.com/photo/v1/764942734_1/VFD_POS_CUSTOMER_DISPLAY_USB_5V_OPOS.jpg' , 'http://i00.i.aliimg.com/photo/v1/764942734_2/VFD_POS_CUSTOMER_DISPLAY_USB_5V_OPOS.jpg' , 'http://i00.i.aliimg.com/photo/v1/764942734_3/ ...