该资源可实现Tq2440与51单片机串口通信，2440向51发送信息，51收到后将收到的消息回传给2440，并在2440上显示出来，2440上程序用qt开发，2440上串口选择tq2440_serial1(也就是com1，linux下叫ttyS1，因为0口被天嵌用作调式口)，用杜邦线分别接2440的TXD1、RXD1和51的Rxd、Txd相连。-This resource can be realized Tq2440 with 51 single-chip serial communicatio

51单片机与上位机之间的串口通信 控制LED亮灭并发送到上位机 -51 and serial communication between the host computer to control the LED light off and sent to the host computer

单片机与arm板串口通信源代码，包含内容： 51单片机和ARM（uclinux）串口通信源代码-Microcontroller with arm board serial communication source code, including the content: 51 And ARM (uclinux) serial communication source code ...

51单片机实现的RS485通讯程序，单片机串行口通信程序设计列子，51单片机串行口通信程序设计例子-51 MCU RS485 communication procedures, microcontroller serial port communication program design Liezi 51 microcontroller serial port communication program design examples