Power input: DC 5V
SD card logic voltage:3.3V/5V
Two working mode：There are two working mode can be selected for higher compatibility via SD card update the firmware.The two modes correspond to different firmware.And the two modes can be switched by one button.
12864 LCD mode：When using class 12864 LCD mode,it connects with EXP1 and EXP2 of the motherboard,which has no touch function.
Serial touch screen mode：When using serial touch screen mode,it connects with TFT or AUX-1 on the motherboard through RS232,which has touch function.
Two printing methods：Serial screen mode supports SD card and USB flash drive printing.
Expand the port for users to use DIY：There are 2 groups of UART serial port expansion ports for users to use on their own.
WIFl function：It can implement WIFl function and can be operated by otherdevices.
Due to the inventory problem of the chip version, TFT35 V3.0, TFT35 E3 V3.0, TFT43 V3.0. and TFT50 V3.0 the chips 207VCT6 and 205V of these screen products are shipped randomly by default. If you have any questions, please contact us in time.
The SD card or USB flash drive shown in the picture is only for scene demonstration, the SD card or USB flash drive is not included in the package
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