... display. as well as multi-zone-display Applications: it is widely used in the supermarket, banks, restaurants, ... folder, while play this folder with photo, it will play the background music INPUT Interface A: ... USB2.0 H: USB3.0 in the board. I: One bit GPIO,, J:SD Card Output interface 1: ... service, any software function /hardware design We do it by customers’ requirement We also supply online technology ...