The operation of timer operation is completed through the timer system precision...

利用89c51和8253可以测速，经初步测试可以通过-89c51 and 8253 can use guns, as a preliminary test can be

异步电机无速度传感器直接功率控制系统,很好的资料-Induction motor speed sensorless direct power control systems, good information

键盘和发光数码管显示，里面包含keyboard和led两个工程文件。-Keyboard and LED digital display, which contains the keyboard and the two led the project document.

摩托罗拉单片机的PWM脉冲信号输出的原代码-Motorola MCU PWM pulse signal output the source code

使用IAR编译器开发的ATmega128的程序 有串口通信 IO口控制 定时器 SPI接口等等功能的实现-Use IAR compiler development process ATmega128 serial communication port to control IO timer SPI interface functions and so on to achieve

针对51核的实验程序，包括汇编语言核C语言，有交通灯，步进电机，滤波器等-against nuclear Experimental procedures, including nuclear assembly language C language, and traffic lights, stepper motors, filters, etc.

I2C总线存储器24c02驱动程序（KEIL）-memory 24c02 I2C Bus Driver (KEIL)

89s51单片机控制的键盘和led系统，键盘送数led从低到高位的显示-89s51 MCU control of the keyboard and led system, the keyboard to send a few led from low to high Show

51单片机指令集和汇总。解压即可用-51 microcontroller instruction set and summary. Decompression can be used

IIC协议读取24C02芯片的一些标准驱动函数-IIC protocol to read some of the standard 24C02 chip-driven functions