绍了PIC单片机与触摸屏的接口方式－MODBUS编程方法，还有硬件联接。-PIC Microcontroller and introduce a touch-screen interface means-MODBUS programming methods, as well as the hardware connection.-Introduction of the PIC MCU and touch-screen interface-MODBUS programming approach, as well as connecting the hardware.-PIC Microcontroller and introduce a touch-screen interface means-MODBUS programming methods, as well as the hardware connection.