基于c语言，在IAR软件上编译的，实现两个rf模块之间的通讯的小程序。-C language based on the IAR compiler software, to achieve applet communication between the two rf module.

此小程序是采用C#语言进行开发编写的，可以应用在串口RS232通信，数据监听、发送、接收功能，易懂好用。-This small program is written in C# language, can be used in the serial RS232 communication, data monitoring, sending, receiving function, easy to use.

STC89C52单片机控制，用keil软件C语言编写的一段小程序，超声波测距传感器(STC89C52 single-chip microcomputer control, using keil software C language to write a small program, ultrasonic ranging sensor)