能准确测量输入频率，配备相应的C语言程序。

the sample file for C or C-the sample file for C or C++

数字滤波文中描述了有关单片机滤波的各种常见算法需要维普浏览器打开-digital filter paper describes the SCM filtering algorithm needs of common browsers open Vip

是一个为地铁施工现场开发的人数监控系统，使用ATMEGA16单片机做的，并用了红外传感器。-Is a subway construction site for the development of the number of monitoring systems, using ATMEGA16 microcontroller to do, and use the infrared sensor.

单片机最小系统，两位LED数码管由串口输出接两个164驱动，Lout,Rout为左右声道输出，SET， ALT0， ALT1为三个按键，也可自己在开始的I/O定义改成你想用的I/O口；12M晶振，若用89C51则只可装下约14首歌曲，用89C52则可装下近40曲-The smallest single-chip system, the two LED digital tube by the serial output driver 164 then two, Lout, Rout output for the left and right channels, SET, ALT0, ALT1 three buttons can also be their own at the beginning of the I/O definition change you want to use the I/O port 12M crystal, if one uses a 89C51 only loaded about 14 songs can be loaded with 89C52 under near 40

在ARM7上调试通过的金鹏串行12864程序，内含ARM自带的实时时钟RTC，可直接在12864显示-In the ARM7 debug serial 12864 Jinpeng adopted procedures, including ARM s own real-time clock RTC, can be displayed directly on 12864

超声波测距 利用 送接受的时间 差计算得到距离-Ultrasonic Ranging acceptable use to send the time difference calculated by the distance

日本产五相步进电机的正转及反转动作控制。-Japan five-phase stepper motor is to control and reverse action.

单片机与嵌入式系统教材简介.pdf-microcontroller and embedded systems briefing materials. Pdf

该程序是个蜂鸣器的调试程序，歌曲是兰花草-The program is a debug procedures buzzer, songs are兰花草

C8051f020是基于51核的业界8位单片机最高速的，指令执行速度25MIPS。这个程序包是新华龙公司提供的，需要购买900元的开发系统才会赠送此文件包，先上传。可以用keil软件打开或者去www.xhl.com.cn下载IDE软件打开工程ps－－－c文件直接用记事本就ok啦^_^，里面有温度传感，步进电机等等源代码，方面移植！^_^-C8051f020 is based on the 51 nuclear industry eight most high-speed microcontroller, instruction execution speed MIPs. This package is a new company providing the Hualong, you need to buy 900 yuan development system will give this package, the first upload. Keil software can be used to open or download IDE www.xhl.com.cn open software engineering-- c ps documents directly on the notebook ok-- ^ _ ^, inside temperature sensor, stepper motors, etc. source code, area transplant! ^ _ ^