FET_R453

基于stm32f103的超声波测距，通过超声波测距，并在串口助手上显示出来(stm32f103 ultrasonic ranging)

PIC芯片使用DS3231的驱动源代码,强大而且可以在适用于很多场合。适合初学者(PIC chip using DS3231 driver source code)

说明：  DS18B20多IO驱动，带有滤波，数据更稳定精确(DS18B20 driver, with filtering, more stable and accurate data)

说明：  最好的单片机C语言学习用书，详细的完整版，功能很强，适用于初中级学习者(The best single-chip C language learning books, detailed full version, features a strong)

搞了十几天，终于实现了无线模块NRF24L01可以发送和接收到一串字符了，本程序含发送程序，和接收程序，单片机用AT89S52,把显示的字符串显示在1602上(Out of the 10 days, finally achieving a wireless module NRF24L01 can send and receive a string of characters, and this procedure with sending program, and receive program, microcontroller use AT89S52, the display on the string displayed in the 1602)

说明：  MSPf5529LCD1602显示，初学小实验。(MSPf5529LCD1602 shows that the primary school experiment.)

proteus仿真，以LPC2138芯片为核心生成PWM波，控制升压斩波电路（PWM），实现稳定的高电压输出。包含AD转换、串口通信。(proteus simulation. This design use PWM wave generated by LPC2138 to control boost circuit and realized a steady high voltage output. ADC and serial port communication are involved in the design.)

总结了包括 PWM( Pulse Width Modulatio n, 脉宽调制) 变换器、风力发电单元( 含恒速恒频异步风力发电机组、双馈风力 发电机组和直驱式永磁同步风力发电机组) 、太阳能光伏发电单元、各种储能单元( 含蓄电池储能、超级电容器 储能、飞轮储能及超导磁储能) 、负荷及输电线路的分布式发电系统详细的稳态和暂态数学模型, 模型的研究 为进一步研究分布式发电系统及其并网运行特性提供理论基础。(Summarizes the PWM (Pulse Width Modulatio n, pulse width modulation) converters, wind power unit (with constant speed constant frequency asynchronous wind turbine, doubly fed wind turbine direct drive permanent magnet synchronous wind turbine), solar photovoltaic power generation unit, a variety of energy storage unit (including battery energy storage supercapacitor energy storage, flywheel energy storage, and superconducting magnetic energy storage), the steady-state and transient mathematical model of distributed power generation systems for load and transmission lines, model research for further study of distributed power generation systems and network operating characteristics provide a theoretical basis.)

ARM9 在电力终端中的应用及技术解决方案(ARM9 terminal in the power of applications and technology solutions)

TFT彩色液晶屏底层驱动代码，已经封装好了，可以直接调用。基于89c52单片机。(TFT color LCD screen underlying driver code has been packaged well, can be called directly. Based 89c52 microcontroller.)