Goertzel_decode

STM32在线更新，代码测试完成，绝对可用。(STM32 online update, code testing completed, absolutely available.)

C51实用程序（45个） I/O、定时器、中断、看门狗、计数器、软件AD、VB串口、93c06驱动、24c02系列驱动、7219、20045、软件陷阱、串口中断、码值转换、AVR通讯、IIC、DS1302、DS1820、SPI、1602、12232、12864、T6963、1330、PC键、键盘输入法、智能化、飞机游戏、贪吃蛇、多级菜单实例等(C51脢渭脫脙 鲁 脤脨貌 拢 篓 45 赂 枚 拢 漏 I/O 隆 垄 露 篓 脢 卤 脝 梅 隆 垄 脰脨 露 脧 隆 垄 驴 )

基于atmega16l usart的实现(atmega16 usart)

VGA字符叠加芯片MTV048配置程序，基于MCU8051(VGA OSD chip MTV048 configuration procedures, based on MCU8051)

gov information agency is a web application for interacting with the government departments

永磁同步电机直接转矩控制系统，模糊PID控制程序，包含M文件(Permanent magnet synchronous motor direct torque control system)

AD7793驱动程序，采用IO口模拟SPI通讯的方式，方便移植到stm32单片机上，只需要更改端口定义即可。(AD7793 driver using IO port simulation SPI communication means to facilitate migration to the stm32 MCU, only you need to change the port definition can be.)

51单片机控制ADC和DAC转换的程序，仅供参考(51 MCU control ADC and DAC conversion process, for reference only)

十六进制BCD码的转换及VB串口通信，C51程序功能函数(Hexadecimal BCD code conversion and VB serial communication, C51 program performance function)

说明：  控制舵机，转动方向转动角度，控制舵机，转动方向(Two algorithms by comparing the experimental data, we can see that the speed of conventional PID control, PID control combined with fuzzy steering gear, whether in terms of reliability or speed are more outstanding)