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C++大学教程第三版里面的部分习题答案，自己写的，可以参考(My homework of some problems in C++ howtoprogramme, you can reference it)

基于PN532NFC模块与STM32F10x的通信源码，可实现对NFC读写(Based on the communication source code between PN532NFC module and STM32F10x, it can read and write NFC.)

基于stm32的红外感应防盗门设计，通过SIM卡发送报警信息(Stm32 based infrared induction security door design, through the SIM card send alarm information)

DSP实现对内存卡写入的测试程序 能够准确的对内存卡进行写入操作 可在此基础上进一步开发内存卡(A Test Program for Memory Card Writing Based on DSP Can accurately write to memory card On this basis, memory card can be further developed.)

实现stm32f105程序代码的远程升级的boot(Stm32f105 program code to achieve remote upgrade of the boot)

说明：  c环境下编写，该程序解决了tc环境下抓图的问题，解去了你的烦恼。(c prepared environment, which resolves tc screen in the environment, the solution to your troubles.)

A main of test for the function printf

网页嵌套的pdf组件，可以在网页中嵌套自己开发的pdf组件(Web nested pdf components can nest pdf components to develop their own web page)

说明：  机器人小车串口通讯程序，采用stm32单片机，供大家交流(Serial Communication Program of Robot Car for Communication)

1、实现多个网络调试助手示例在一个进程中启动； 2、可以实现TCP_SERVER,TCP_CLIENT,UDP，UDP组播通信；(1, multiple network example debugging assistant to start a process 2, can achieve TCP_SERVER, TCP_CLIENT, UDP, UDP Multicast communication )