取消工程密码专用6.51

51单片机AT89C52串行通信.上位机通过串口向单片机发数据，单片机接收后发回给上位机。(51 AT89C52 single-chip serial communication. PC send data through the serial port to the microcontroller, the microcontroller has sent back to the host computer.)

STM32 IAP 电量计源码i2c ,完整的TI bq34z100电量计使用源码(STM32 IAP Electric meter)

lpc1752的处理模拟量电压的程序，用keil打开(processing analog voltage lpc1752 program, with the keil open)

说明：  实现倒立摆,2013年电赛题目，代码简单耐看(Implementing inverted pendulum)

两个51单片机实现通信，一片单片机传送光照温度信息给另一单片机，然后显示(将中文译成英语 Two 51 MCU communication, a single chip temperature information transmitted light to another microcontroller, and then display 朗读显示对应的拉丁字符的拼音)

wifi直连模块RS-WC-201的开发固件以及wifi-AP的测试代码。(wifi direct module RS-WC-201' s firmware, and wifi-AP developed the test code.)

用于加深对AD9361原理的系统性理解，便于搭建AD9361的平台。(It is used to deepen the systematic understanding of the principle of AD9361 and to facilitate the construction of the platform of AD9361.)

单片机与PC机串口通讯仿真，C源码及PROTEUS仿真图。(MCU and PC serial communication simulation, C source code and PROTEUS simulation in Fig.)

步进电机驱动，四相五线步进电机控制的测试程序，C51编写，读者可稍加修给即可应用(Stepper motor driver)

modbus规约通讯测试小工具-工作空间。利用mfc实现modbus串行通信(Modbus protocol communications test tool- work space. Using MFC to achieve MODBUS serial communication )