019-图书管理器

说明：  嵌入式资料温度传感器设计指南全部知识点都在这里(Guidelines for temperature sensor design)

电池测试工装，采用PIC16F873设计的。通过PWM进行充放电电流测试(Battery test tooling, using PIC16F873 design. Through the PWM to charge and discharge current test)

串口发送、接收数据，显示数据、画图功能 可以选择16进制或ascii数据发送(Serial port to send, receive data, display data, drawing function can choose 16 hexadecimal or ascii data sent)

说明：  数值方法中用c++编写的数值矩阵直接三角分解法求解线形方程组的算法,(In the numerical method, a numerical matrix direct triangular decomposition method written by c is used to solve the linear equations.)

可以获取自己的ip地址，模仿cmd的ipconfig命令(Can get the ip address imitate cmd ipconfig command)

radio la1823+lc72131,主要是程序的初始化、设置频率(radio la1823+lc72131, mainly program initialization, set the frequency)

说明：  linux中busybox的mesg的代码实现，源码(linux busybox mesg function)

Zigbee netowrks description and software for them

说明：  这个是热电偶检测模块，内部自带冷端补偿电路，与单片机串口通信，可以解决繁琐的热电偶繁琐的检测电路。(This is a thermocouple detection module, which has its own cold end compensation circuit, and communicates with the serial port of MCU, which can solve the tedious thermocouple detection circuit.)

实现了手机Gps客户端，可以接受并解析Gps信号，显示在线地图和实时路况(Mobile Gps achieve client can accept and parse the Gps signal, display online maps and real-time traffic)