有一个单片机的振荡信号，可以用这个工具来实现频率F。

PS键盘的使用非常普遍,结合PS键盘很单片机,能借助键盘的按键非常丰富,在单片机拓展汉字输入提供了条件-PS very common use of the keyboard, the keyboard is very single-chip combination of PS can use the keyboard keys are very rich in Chinese character input in single-chip expansion has provided the conditions

protel 各种常用元件库 介绍 使用方法-protel library introduced a variety of common components to use

基于avr单片机的直流电机PID控制程序，工程文件的编译环境采用gcc for avr，可以在AVR Studio环境下调试，对电机开发人员具有参考价值。-avr microcontroller based on the DC motor PID control procedures, Project documents using gcc compiler environment for avr, the AVR Studio debugging environment, Development of motor officers with reference value.

该程序实例可用于基于proteus的单片机仿真开发应用与研究，供大家参考学习。-Instance of the program can be used for emulation of MCU-based development and application of proteus and research for your reference study.

AT89C51SND1C是AT89C51核心的处理器，包含一个MP3解码器，完全兼容8051的Keil C51编译环境，适合8051使用者的MP3解码应用。-AT89C51SND1C is AT89C51 core processors, includes an MP3 decoder, 8051 is fully compatible with the Keil C51 compiler environment 8051 suitable for user

本程序使用P89V51单片机利用起PCA功能对脉冲宽度可调，实现两路输出，加LED显示和按键功能，详细请看程序注释，编程风格自认可以-This procedure since the use of PCA use P89V51 Singlechip feature adjustable pulse width to achieve two-way output, plus LED display and button functions, see the detailed program notes, programming styles can themselves

DS18B20.rar 温度传感元件 stc89c51 12MHz 好东东希望你能喜欢！ -DS18B20.rar temperature sensor stc89c51 12MHz Dongdong good hope that you will like it!

12864液晶显示程序，msp430f149单片机控制-12864 LCD process, msp430f149 SCM

51读写cf卡源码 因工程需要存储大量的数据，今天参考参考德国人的一个基于avr的cf控制程序，移植了一个51上面使用的cf驱动程序-Cf card 51 to read and write source code because the project needs a large amount of data storage, today people refer to a reference to Germany avr based on the cf control procedures, transplantation of a 51 top used cf driver

步进电机系统系统硬件结构框图,步进电机系统系统硬件结构框图-Stepper motor system hardware block diagram of the system, stepping motor system, system hardware block diagram