Only X Board: （NO DRIVERS,NO 3.5-INCH TOUCH SCREEN ）
If you already have a driver modules, you already have a 3.5-inch touch screen, you can buy Only X Board.
Tip: The Lerdge X motherboard have to match with our 3.5-inch touch screen to be used. The Lerdge X motherboards are not compatible with the touch screen of the old version of the Lerdge S motherboard.
Note: The Lerdge-X motherboard does not support TMC series UART/SPI mode