shiyanjiaocheng

应用51单片机控制蜂鸣器产生不同的频率，而形成曲调。(Application of 51 single chip microcomputer control buzzer to generate different frequencies, and the formation of the tunes.)

IIC总线协议芯片CH452驱动代码，配合数码管和按键，适合快速移植。(IIC bus agreement CH452 chip driver code, with digital tube and buttons, suitable for rapid transplantation. )

光伏微网逆变器设计手册，从光伏板特性分析到DCDC反激升压再到DCAC逆变最后到锁相环检测并网都详细说明。(PV micro-inverter design manual, from the characteristics of photovoltaic panels to boost DCDC flyback DCAC inverter then finally to the phase-locked loop detection and network are described in detail.)

51单片机程序，模拟十字路口的红绿灯，内附protues仿真文件。(51 MCU program, the analog crossroads of traffic lights, enclosing protues simulation file.)

超声波热量表完整代码,EEPROM用户操作源代码，瑞萨RL78系列单片机，开发环境cubesuite+(Ultrasonic heat meter complete code, EEPROM user operation of the source code, Renesas RL78 microcontroller, development environment cubesuite+)

基于msp430f149 的 TM1637驱动数码管程序测试OK

stm32和7714之间的SPI调试程序，已经成功可以使用(The SPI debugger between STM32 and 7714 has been successfully used.)

扩展的Hata模型（SDR模型）仿真代码，其中阴影损耗取正态对数分布(Extended Hata model (SDR model) simulation code, which shadows the normal wear and tear take a logarithmic distribution)

STM32F1、F4电机PWM调速及PID速度闭环控制(PWM Speed Regulation and PID Speed Closed-loop Control of STM32F1 and F4 Motors)

51单片机控制NAND Flash读写程序,编译环境vc++，可根据flash不同做稍加修改,即可实现功能要求(51 single-chip NAND Flash read and write procedures, compile environmental vc++, according to flash a little modified)