... project2 pcs of 12 ports1pcs of 08 portsUSBLED display U disk control card user manualThe first step ... reading.."3," reading successfully, please dial card"The display" please dial card", please remove the U disk ... read U disk data if the screen font display is abnormal or garbled, please refer to the ... don't know the use of display parameters, please consult the display manufacturers, but also to our ...