LTEsystemDoc

这是一个通用的51菜单程序，您在使用时只需稍作改动即可。(This is a generic 51 menu program, you can use with minimal changes.)

说明：  7290显示 7290显示 7290显示(7290 show revealed 7,290 7,290 7,290 showed 7290 show revealed)

51单片机发送，三星的S3C2440接收，并点亮led小灯，通信波特率是115200，单片机采用定时器2来实现该波特率(51 SCM to send, samsung s S3C2440 receiving, and lit led lights, communication baud rate is 115200, microcontroller timer to achieve this by 2 baud rate )

利用51单片机控制HC-SR04超声波测距模块，实现用其测距的功能(HC-SR04 ultrasonic ranging module 51 MCU control, with its functionality ranging)

Transporting Voice by Using IP

点阵程序 4片16*16点阵显示程序，可以正显，反显，左右移动。(Dot-matrix program 4 16* 16 dot matrix display program, you can now significantly, anti-marked, about mobile.)

HART设计代码和硬件电路图纸，绝对的有用，方便你的设计(HART code and hardware circuit design drawings, absolutely useful and convenient for your design)

Arduino Library for Freematics OBD-II UART Adapter Distributed under BSD License

7279的程序 是在lpc2138上的经过调试绝对好使(7279 program in lpc2138 absolutely so on through the commissioning)

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